--- product_id: 262388600 title: "Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids" brand: "festnight-1" price: "74375₫" currency: VND in_stock: false reviews_count: 6 url: https://www.desertcart.vn/products/262388600-air-purifier-festnight-necklace-personal-hanging-necklace-with-negative-ion store_origin: VN region: Vietnam --- # Ultra Quiet Operation 30+ Hours Battery Life Negative Ion Purification Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids **Brand:** festnight-1 **Price:** 74375₫ **Availability:** ❌ Out of Stock ## Summary > 🌟 Breathe Better, Live Better! 🌟 ## Quick Answers - **What is this?** Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids by festnight-1 - **How much does it cost?** 74375₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/262388600-air-purifier-festnight-necklace-personal-hanging-necklace-with-negative-ion) ## Best For - festnight-1 enthusiasts ## Why This Product - Trusted festnight-1 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable Purity:** Lightweight design (153g) for on-the-go freshness. - • **Breathe Easy, Live Fresh:** Harness the power of negative ions to purify your air. - • **Long-Lasting Performance:** Enjoy up to 60 hours of fresh air on a single charge. - • **Smart Charging Indicator:** Red and blue lights keep you informed about charging status. - • **Whisper-Quiet Technology:** Experience tranquility with a noise level of just 20 dB. ## Overview The Festnight Necklace Personal Hanging Air Purifier is a portable, USB-charged device that utilizes negative ion technology to effectively purify the air by removing harmful substances like PM2.5 and formaldehyde. With a lightweight design and ultra-quiet operation, it offers up to 60 hours of use on a single charge, making it perfect for both adults and kids. ## Description Specifications: Type: Negative Ion Battery: 3.7V Lithium Battery Anion Concentration: 8000-12000W/cm³ Rated Frequency: 50 (HZ) Application area: ＜10㎡ Air Volume: 51-150m³/h Noise: 20dB Power Supply: USB Rated Power: ＜1W Current: ＜40 mA Battery Capacity: 700mA Material: ABS, Stainless Steel Color: Black, White(optional) Weight: 153g/5.4oz Size: 15*9.5*3cm/5.9*3.7*1.2in Package List: 1*Necklace Purifier 1*USB Cable ## Features - ♡♡Neagative ions can effectively purify air, remove PM2.5, dust, smog, formaldehyde, harmful substances etc. - ♡♡One time full charge can last for more than 30 hours at high-end mode, more than 60 hours at low-end mode. - ♡♡Red light on while charging, blue light on while it is full charged or it is working. Please power off while charging the purifier. - ♡♡Low-end mode the negative ion concentration is 8000W/m³, high-end mode the negative ion concentration is 12000W/m³. - ♡♡The working sound is very quiet, you can wear it and enjoy fresh air everywhere. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Festnight-1 | | Model Number | TYJFESTNIGHTMD1867W-RLAE | | Color | White | | Product Dimensions | 15 x 9.5 x 3 cm; 153 g | | Noise Level | 20 dB | | Item Weight | 153 g | ## Images ![Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids - Image 1](https://m.media-amazon.com/images/I/51-3UzFzHBL.jpg) ![Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids - Image 2](https://m.media-amazon.com/images/I/6100-X9rfJL.jpg) ![Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids - Image 3](https://m.media-amazon.com/images/I/51NeYsv+inL.jpg) ![Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids - Image 4](https://m.media-amazon.com/images/I/51oRFBV4alL.jpg) ![Air Purifier, Festnight Necklace Personal Hanging Necklace with Negative Ion Air Freshener USB Portable No Radiation for Adults Kids - Image 5](https://m.media-amazon.com/images/I/61I1GTCeFiL.jpg) ## Customer Reviews ### ⭐⭐⭐ 3.0 out of 5 stars Air Purifier, Festnight Necklace Personal Hanging Necklace *by R***I on Reviewed in the United Arab Emirates on 5 April 2024* nice ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Very Good Item *by G***D on Reviewed in the United Arab Emirates on 2 October 2023* Thank you Amazon👍🏻👍🏻👍🏻👍🏻 ### ⭐ 1.0 out of 5 stars FAULTY PRODUCT - Power Surge When Charging *by X***X on Reviewed in the United Arab Emirates on 30 January 2021* Tried all the options to charge the product. Even tried to use another cable. USB charger gets off when charged, 1A & 2A charger still the same. Power surge in my PC. Don’t waste your time buying this product! --- ## 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/262388600-air-purifier-festnight-necklace-personal-hanging-necklace-with-negative-ion](https://www.desertcart.vn/products/262388600-air-purifier-festnight-necklace-personal-hanging-necklace-with-negative-ion) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-20*