--- product_id: 70184376 title: "Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20" brand: "cubetek" price: "2624638₫" currency: VND in_stock: true reviews_count: 8 category: "Cubetek" url: https://www.desertcart.vn/products/70184376-cubetek-2-in-1-bluetooth-transmitter-and-receiver-adapter-v5 store_origin: VN region: Vietnam --- # Dual device pairing 24h battery life Bluetooth 5.2 aptX HD Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 **Brand:** cubetek **Price:** 2624638₫ **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your audio game—wireless freedom meets pro-grade clarity! ## Quick Answers - **What is this?** Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 by cubetek - **How much does it cost?** 2624638₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/70184376-cubetek-2-in-1-bluetooth-transmitter-and-receiver-adapter-v5) ## Best For - cubetek enthusiasts ## Why This Product - Trusted cubetek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Device Magic:** Pair two Bluetooth headphones or speakers simultaneously—share your vibe without compromise. - • **All-Day Wireless Freedom:** Up to 24 hours of continuous streaming on a single 2-hour charge—stay unplugged and unstoppable. - • **Versatile Connectivity Options:** Supports Optical/TOSLINK, 3.5mm Aux, and RCA for flawless integration with TVs, PCs, and car stereos. - • **Seamless 2-in-1 Bluetooth Powerhouse:** Switch effortlessly between transmitter and receiver modes with one button for ultimate audio flexibility. - • **Crystal-Clear Audio with aptX HD & Low Latency:** Experience near-zero lag (40ms) and high-definition sound that keeps you ahead of the curve. ## Overview The Cubetek BT-B20 is a compact, rechargeable 2-in-1 Bluetooth 5.2 transmitter and receiver featuring aptX HD and Low Latency technology. It supports multiple audio inputs including Optical/TOSLINK, 3.5mm Aux, and RCA, enabling wireless streaming from TVs, PCs, and other devices to Bluetooth headphones or speakers. With up to 24 hours of battery life and the ability to connect two devices simultaneously, it delivers versatile, high-quality audio with minimal delay. ## Description Product Description CUBETEK 2 in 1 Bluetooth Transmitter & Receiver with Bluetooth V5.2 is a portable handy device, allows you to wirelessly stream your favourite movies, music, games, or other media from non-Bluetooth sources straight to Bluetooth headphones, or speakers. It also allows traditional audio devices like home and car stereos to receive music from your mobile or tablets.. Product Feature 1. 2-in-1 Bluetooth Adapter, One-button switch to shift between transmitter(TX) and receiver(RX) mode freely. 2. This transmitter allows pairing up to 2 devices( bluetooth headset/speaker), which means you can watch TV or listen to music with others . 3. Compact, lightweight and durable! Take it with you and enjoy Bluetooth music anytime/anywhere for up to 24 hours! Can work while charging. Micro charging port. 4. Easy to Connect, Auto pairing makes your life wire free, hassle-free 5. Multi-point and dual-streaming features: Using dual-streaming, you can send audio signals to two audio output devices simultaneously. When in receiver mode, the adapter can receive signals from two wireless audio sources with the multi-point feature. Thus, you can swiftly and conveniently swap between music libraries on both devices. 6) Built In Rechargeable Battery for 24 Hours backup HOW TO USE AS TRANSMITTER MODE TO CONNECT WITH TV/ PROJECTOR CUBETEK BT-B20 FUNCTIONS TRANSMITTER MODE In Transmitter Mode, the device connects to TV or Laptop from Audio Out port to transmit audio from TV to Bluetooth Speakers or Bluetooth Earphones. This model has Options of Optical Port / Aux Port to connect from TV. It can transmit Audio to Two Bluetooth devices simultaneously. RECEIVER MODE In Receiver Mode, the device connects to Speakers or Audio devices which are non-bluetooth on Aux or Optical Port and make them Bluetooth enabled. In this mode the device can pair with Mobile and Receive audio from Mobile to Speakers or Car Music System. MULTIPLE CONNECTION OPTIONS The device has multiple connection Options including Aux , SPDIF ( Optical). This device is best suited for Smart tv as most smart tv comes with Optical Port. At one time only one function will work, either Receiver Or Transmitter. But both have options to connect to 2 devices simultaneously. BLUETOOTH V5.2 APTX HD The device is powered with Bluetooth V 5.2 and has very advanced CSR Qualcomm chipset : 8675, with AptX HD and AptX Low Latency technology to reduce the lag and audio delay by as low as 40ms. Specifications Bluetooth version: CSR BC8675 Bluetooth 5.2, Bluetooth Class Ⅱ Transmission range: 10 meters (up to 33 ft) Working time TX Mode: Up to 24 hours RX Mode: Up to 24 hours Battery Capacity: 600 mAh Charging time: 2 hours Standby time : 250 hours Size: 63*20mm Weight: 46gms Bluetooth Profile: A2DP, AptX-HD, APT-X LL(TX), APT-X(TX), SBC(TX), SBC(RX) Package Includes 1 x Bluetooth Audio Adapter 1 x Digital Optical Toslink Cable 1 x 3.5mm Audio Cable 1 x Micro Usb Charging Cable 1 x 3.5mm Female to 2 RCA Male Cable 1 x user Manual Review: Wonderful Device, Excellent Performance - Wonderful Device, Excellent Performance. Very Sleek and Compact. Long Lasting battery . The courier partner was not punctual, it was delivered only after a formal written complaint lodged. Without visiting the address, the courier gave a false message of customer not present and payment held up. ATS is really very bad. desertcart to take action against the courier partner. The Product s performance excellent. Anoop Review: overall good - Bluetooth TX and RX not recognised by Sony Bravia 7500E 4k tv. But could connect this device from TV's optical and audio cable to my 32 years old sony music system thro Logitech BT receiver (attached to music system). Device successfully transmitted the TV audio to sony music system. Optical connectivity with TV functioned superbly. Enjoying movie sounds thoroughly in my old music system. Overall it is a good product except it takes time to connect with other device in transmission mode. Functions well in receiving mode with Onkyo Home theatre, mobile, macbook air etc., ## Features - ★ BLUETOOTH TRANSMITTER AND RECEIVER: 2-In-1 Design - The bluetooth adapter combines bluetooth audio transmitter and receiver in one with 3.5mm aux jack. Latest Bluetooth V5.0 with A2DP: Wide compatible, easy to pair / reconnect and support apt-X and SBC codes, Updated bluetooth 5.2 brings strong signal transmission ability ,high sound quality less crackling, hissing or sound quality deterioration issues. It makes it different from others. - ★ FLEXIBLE CONNECTIONS (OPTICAL + 3.5mm AUX + RCA): Beside 3.5mm Aux/RCA connection, the audio Bluetooth transmitter for TV plus Bluetooth receiver for TV edge ahead by also supporting TOSLINK optical cable input and output so your TV with optical sound output can feed the adapter, and your audio system can also wireless connect with the Bluetooth Adapter for home stereo. - ★ INSTANT SOUND WITHOUT DELAY: Enjoy a latency lower than 95% of other devices with aptX Low Latency technology; end-to-end lag time is now 40 milliseconds so high-definition video is transmitted without problems. Note: not suitable for music instruments due to delay. - ★ ALWAYS ON - Long Battery Life: Being fully charged in only two hours,up to 24 hours working time and continuously streams even while charging. Enjoy your favorite wireless content all the time.| Note: Do not always keep on charge, it damages the battery. - ★QUALCOMM BLUETOOTH V5.2 - Most Advanced Bluetooth Chipset of Qualcomm V5.2, with AptX HD, AptX Adaptive, AptX LL Supported. - ★ A 2 FOR 1 CONNECTION: Two Bluetooth headphones or speakers can pair at once so children can watch in silence and give parents a needed break. Note: aptX Low Latency does NOT support Dual Pair mode. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0756LZ525 | | Audio Input | Optical, Aux | | Audio Output Mode | Stereo | | Audio Output Type | bluetooth, auxiliary, optical | | Best Sellers Rank | #41,124 in Electronics ( See Top 100 in Electronics ) #36 in Wireless Audio Receivers & Adapters | | Bluetooth support? | Yes | | Brand | CUBETEK | | Brand Name | CUBETEK | | Colour | Black, Silver | | Compatibility Options | Smartphone, Tablet, Television, Speaker, Headphones, Bluetooth-enabled devices | | Compatible Devices | Head, Smartphone, Speaker, Tablet, Television | | Connectivity Technology | Bluetooth | | Connector Type Used on Cable | 3.5mm Auxiliary, Optical/TOSLINK | | Control Method | Touch | | Control Type | music control | | Country of Origin | China | | Customer Reviews | 4.1 out of 5 stars 169 Reviews | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Hardware Interface | Bluetooth | | Importer Contact Information | Melody Electronics, Bangalore. www.melodymedia.in. Tel: 6363772699 | | Includes Remote | No | | Installation Type | wired | | Item Dimensions L x W x H | 6.3L x 2W x 6.3H Centimeters | | Item Weight Unit of Measure | 46 Grams | | Manufacturer | Cubetek | | Material | Acrylonitrile Butadiene Styrene (ABS) | | Model Name | BLUETOOTH TRANSMITTER RECEIVER WITH OPTICAL PORT | | Number of Channels | 2 | | Packer Contact Information | Melody Electronics, Bangalore. www.melodymedia.in. Tel: 6363772699 | | Power Source | Battery Powered | | Product Dimensions | 6.3L x 2W x 6.3H Centimeters | | Product Features | Bluetooth Transmitter & Receiver 2 in 1, Built in Battery, Rechargeable, Connect to 2 devices at the same time, Supports Digital Coaxial / SPDIF / TOSLINK for Digital HD Sound, Wirelessly connect tv audio to your bluetooth speaker or earphones with the help of this device | | Rechargeable Battery Included | Yes | | Special Feature | Bluetooth Transmitter & Receiver 2 in 1, Built in Battery, Rechargeable, Connect to 2 devices at the same time, Supports Digital Coaxial / SPDIF / TOSLINK for Digital HD Sound, Wirelessly connect tv audio to your bluetooth speaker or earphones with the help of this device Special Feature Bluetooth Transmitter & Receiver 2 in 1, Built in Battery, Rechargeable, Connect to 2 devices at the same time, Supports Digital Coaxial / SPDIF / TOSLINK for Digital HD Sound, Wirelessly connect tv audio to your bluetooth speaker or earphones with the help of this device See more | | Supported Application | Any audio application | | Supported Media Type | bluetooth | | Supported Standards | AptX, A2DP, SBC | | Wireless Compability | Bluetooth | ## Product Details - **Special Feature:** Bluetooth Transmitter & Receiver 2 in 1, Built in Battery, Rechargeable, Connect to 2 devices at the same time, Supports Digital Coaxial / SPDIF / TOSLINK for Digital HD Sound, Wirelessly connect tv audio to your bluetooth speaker or earphones with the help of this device - **Brand:** CUBETEK - **Connectivity Technology:** AUX, Bluetooth - **Power Source:** Battery Powered - **Material:** Acrylonitrile Butadiene Styrene (ABS) ## Images ![Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 - Image 1](https://m.media-amazon.com/images/I/41mHv7xG1dL.jpg) ![Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 - Image 2](https://m.media-amazon.com/images/I/61LSvIzRwUL.jpg) ![Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 - Image 3](https://m.media-amazon.com/images/I/61NOJ+sTkLL.jpg) ![Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 - Image 4](https://m.media-amazon.com/images/I/81ZCQJrWGBL.jpg) ![Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.2, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX HD/Low Latency, Model: BT-B20 - Image 5](https://m.media-amazon.com/images/I/51uLE5lHECL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Wonderful Device, Excellent Performance *by A***R on 14 December 2017* Wonderful Device, Excellent Performance. Very Sleek and Compact. Long Lasting battery . The courier partner was not punctual, it was delivered only after a formal written complaint lodged. Without visiting the address, the courier gave a false message of customer not present and payment held up. ATS is really very bad. Amazon to take action against the courier partner. The Product s performance excellent. Anoop ### ⭐⭐⭐⭐ overall good *by S***N on 23 March 2020* Bluetooth TX and RX not recognised by Sony Bravia 7500E 4k tv. But could connect this device from TV's optical and audio cable to my 32 years old sony music system thro Logitech BT receiver (attached to music system). Device successfully transmitted the TV audio to sony music system. Optical connectivity with TV functioned superbly. Enjoying movie sounds thoroughly in my old music system. Overall it is a good product except it takes time to connect with other device in transmission mode. Functions well in receiving mode with Onkyo Home theatre, mobile, macbook air etc., ### ⭐⭐⭐⭐⭐ Superb product .. buy it for your needs *by J***E on 15 November 2018* Very simple yet efficient product. I recommend to go for this ... It's multi function multiple input options. Overall it's great product.. I bought twice thus same product .. I have used one as transmitter on my TV for sound and second one on my old Sony amp to receive BR signal .. good frequency response, very low battery consumption and good range 5 M plus ## Frequently Bought Together - Cubetek 2 in 1 Bluetooth Transmitter & Receiver Adapter V5.0, with Digital Optical/TOSLINK/SPDIF, 3.5mm Aux Connect, for TV/PC/iPod/Car Stereo, AptX Low Latency, Model: CB-BTI-029 - Cubetek 3 in 1 LCD Display V5.0 Bluetooth Transmitter Receiver, Bypass Audio Adapter with Aux, Optical, Dual Link Support for TV, Home Stereo, PC, Headphones, Speakers, Model: CB-BT27 - Pagaria 2 in 1 Bluetooth 5.0 Transmitter Receiver 3.5mm Stereo Audio Adapter with Mic, Easy Slide Switch Mode, Model: KN330 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/70184376-cubetek-2-in-1-bluetooth-transmitter-and-receiver-adapter-v5](https://www.desertcart.vn/products/70184376-cubetek-2-in-1-bluetooth-transmitter-and-receiver-adapter-v5) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-07-21*