M41 Tws Bt 5.3 Earphones

Product Specifications:  
1. Bluetooth Version: V5.3  
2. Bluetooth Profiles: A2DP, AVRCP, HFP, HSP  
3. Operating Voltage: 3.1V ~ 4.2V  
4. Charging Voltage: 5V-1A  
5. Speaker Size: 8mm x 2  
6. Frequency Response: 20Hz ~ 20kHz  
7. Impedance: 32Ω  
8. Headset Battery Capacity: 50mAh  
9. Charging Case Battery Capacity: 2000mAh  
10. Transmission Range: >10m  
11. Talk/Play Time: Approximately 4-6 hours  
12. Headset Charging Time: 1.5 hours  
13. Charging Case Charging Time: 2 hours