Ultrapods Max Wireless Earbuds 5.3 Transparent by Hedaya-Black

Bluetooth Version:V5.3

1. Bluetooth Profile:A2DP,AVRCP,HFP, HSP
2. Working voltage:3.1V~4.2V
3. Charging voltage:5V-1A
4. Speaker specification：14.2mm*2
5. Frequency response:20Hz~20kHz
6. lmpedance:32Ω
7. Battery capacity of the headset: 40mAh
8. Battery capacity of the storage box:300mAh
9. Transmission distance:>10M
10. Call time:About 6 h
11. Play time:About 3-4 h
12. Waterprof :IPX4
13. Charging time of headset:1h
14. Charging time of the Charging box:2h
15. Products include1 * One pair of Bluetooth headsets1 * Charging box1 * Charging cable1 * User Manual