Product description
 
 
 Name: V5-TWS Bluetooth Headset, Product Model: V5. The product is equipped with a charging box with 500mAH. It adopts the imported Taiwan Core chip, V5.0+EDR high version and low power core Bluetooth chip, which is backward compatible with various protocol functions of 4.0 and 3.0. Compared with the old version, compatibility, stability, functionality and other aspects have been significantly improved.
 
 
 
 Second, the parameter specifications
 
 
 1. Bluetooth chip and Bluetooth version:  Low power core V5.0+EDR
 
 
 2. Bluetooth protocol: HSP1.2, HFP1.6, A2DP1.3, AVRCP1.5
 
 
 3. Power Input: 3.2V-4.2V
 
 
 4. Output: 30mW
 
 
 5. Load condition (Load): 32Ω /φ8
 
 
 6. Rated power (Power): 74mW
 
 
 7. Headphone battery: single side 65mAH, plus protection board polymer battery
 
 
 8. Charging box battery: 500mAH, with protective plate polymer battery
 
 
 9. Charging power: headphone 5V/1mA, charging box 5V/1mA
 
 
 10. Transmission distance: 20 meters
 
 
 11. Frequency: 2.4GHz-2.48GHz
 
 
 12. Talk time: up to 8 hours
 
 
 13. Listening to the song time: up to 7 hours
 
 
 14. Standby time: about 360h 
 
 
 15. Single earphone weight: 6g; charging box weight: 45g
 
 
 The charging box can charge the headset 3 times
 
 It takes about 1 hour to fill the headphones.