T&G A23 Binaural Hanging Neck Sports TWS Wireless Bluetooth Earphone(Grey) Filter-Broadband Amplifiers 2 in 1 WiFi and

2 in 1 WiFi and Bluetooth adapter

supporting 2K high-definition picture quality

Portable and weight light

Usage: wallet display rack

T&G A23 Binaural Hanging Neck Sports TWS Wireless Bluetooth Earphone(Grey) Filter-Broadband Amplifiers 2 in 1 WiFi and1. Bluetooth version: Jerry 5. 0 2. Power input: 5V 1A 3. Sensitivity: about 80dB 4. Frequency response: 20 18000Hz 5. Playing time: about 6 hours 6. Charging time: about 1 2 hours 7. Bluetooth 5. 2 technology, the connection is more stable and no delay 8. HiFi sound quality, achieving high fidelity and clarity 9. One button control, easy to use 10. Elastic and flexible design, titanium alloy steel wire material, can adapt to different head shapes