Firstsing Super Long Standby IPX7 Waterproof Wireless Bluetooth Stereo Earphone

Bluetooth Version: V 4.1+EDR
Support agreement: HSP, HFP, A2DP, AVRCP
Operation Range: Up to 10m
Charging Case Battery: 265 MAH
Support Time:
1)30 Hrs Talking Time
2)25 Hrs Music Playing Time
3)About 30 days Standby Time
Easy pairing with mobile phone. IOS and Android system compatible.
Voice Prompt of each actions, incoming call numbers.