Acer AHR013 Bluetooth 5.0 Emergency Charging TWS Wireless Bluetooth Earphone(Black)

1. Bluetooth version: V5.0
2. Bluetooth protocol: A2DP/HSP/AVRCP
3. Wireless distance: 10 meters
4. Battery type: polymer lithium battery
5. Headphone charging time: 2 hours
6. Headphone standby time: 90 hours
7. Talk time: 4 hours
8. Headphone battery specification: 3.7V/45mAh
9. Charging box battery specifications: 3.7V/300mAh
10. Speaker size: 8mm
11. Speaker impedance: 32 ohms
12. Rated power: 2mW
13. Headphone input parameters: 5V 100mA
14. Input parameters of charging compartment: 5V 100mA
15. Ergonomic design, comfortable to wear
16. Intelligent search for pairing connection, more at ease to use
17. Modular design, you can take off the charging base and use it as a mobile power source alone, with a hidden USB charging cable, making it more secure to use