1. Bluetooth specification: Bluetooth V4.2 JL; support protocol: A2DP;
AVRCP; HSP; HFP
2. Transmission range: 10 meters
3. Charging voltage: DC5V; charging time: about 2 hours; talk time: 3.5
hours; music time: 3.5 hours; standby time: 90 hours or more
4. Battery capacity: 80mAh; Speaker size: 14mm; Weight: 21g
5. Battery display <Support for Apple phones and some Android phones>