---
product_id: 58737507
title: "TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone"
brand: "shenzhen ttrwin technology co.ld"
price: "57709₫"
currency: VND
in_stock: false
reviews_count: 1
url: https://www.desertcart.vn/products/58737507-ttrwin-v4-1-bluetooth-sweatproof-sport-hifi-stereo-earphone-q9
store_origin: VN
region: Vietnam
---

# TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone

**Brand:** shenzhen ttrwin technology co.ld
**Price:** 57709₫
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone by shenzhen ttrwin technology co.ld
- **How much does it cost?** 57709₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/58737507-ttrwin-v4-1-bluetooth-sweatproof-sport-hifi-stereo-earphone-q9)

## Best For

- shenzhen ttrwin technology co.ld enthusiasts

## Why This Product

- Trusted shenzhen ttrwin technology co.ld brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description



## Features

- About this item
- Lightweight
- Neckband
- Sports & Exercise

## Images

![TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone - Image 1](https://m.media-amazon.com/images/I/51tB3CA5AVL.jpg)
![TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone - Image 2](https://m.media-amazon.com/images/I/61gzIzEAWKL.jpg)
![TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone - Image 3](https://m.media-amazon.com/images/I/61NV+peMvOL.jpg)
![TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone - Image 4](https://m.media-amazon.com/images/I/41jQ4XfkcLL.jpg)
![TTRwin® V4.1 Bluetooth Sweatproof Sport Hifi Stereo Earphone Q9 CSR 2 in 1 Mini Wireless Lightweight Neckband In-Ear Sports/Running/Exercise Headsets Universal Bluetooth Earbuds Headphone - Image 5](https://m.media-amazon.com/images/I/61RAbvsZmAL.jpg)

## Customer Reviews

### ⭐ 







  
  
    Stopped working after 2 months!!
  

*by J***T on Reviewed in the United Kingdom on 2 November 2017*

Don't buy this product - it's a complete rip-off!After only 2 months of usage, it completely stopped working!

---

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**Shop now:** [https://www.desertcart.vn/products/58737507-ttrwin-v4-1-bluetooth-sweatproof-sport-hifi-stereo-earphone-q9](https://www.desertcart.vn/products/58737507-ttrwin-v4-1-bluetooth-sweatproof-sport-hifi-stereo-earphone-q9)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-22*