1. Bluetooth specification: Bluetooth V4.2 WT; support protocol:
A2DP;AVRCP
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: 80 hours
4. Battery capacity: 80mAh; cable length: 60cm; speaker size: 15mm;
weight: 12g
5. Battery display <Support for Apple phones and some Android phones>