1. Product name: Bluetooth headset 2. Transmission range: 10 meters 3. Function: battery display, call function, music support 4. Bluetooth protocol: 5.0 5. Channel: Stereo 6. How to use: Head mounted more→7. Charging time: 2 hours 8. Use time: 5-6 hours 9. Standby time: 200 hours 10. Product Description: 1. Fashionable bluetooth wireless earphones, integrating Chinese Peking Opera elements, take you to the forefront of the trend. Features: 2. Telescopic arm, storage and folding structure, multi-dimensional fit, fashionable color contrast, portable travel. 3. Using Chinese Peking Opera elements, the colors are bright. 4. Shocking bass, 40mm neodymium iron drive unit, excellent high and low frequency …