1. Bluetooth specification Bluetooth V4.2 WT support protocol Headset
Hands-free A2DP Avrcp
2. Transmission range 10 meters Transmission frequency 2.4GHz
3. Charging voltage DC5V; Charging time is about 2 hours
4. Battery capacity: 55mAH Product size: L60 × W18 × H25mm
5. 3 hours of talk time; 3 hours of music time; standby time 90 hours; net
weight: 7g
6. Battery display <Support for Apple phones and some Android phones>