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.