** Charging case with OVP protection** 
Bluetooth: V5.1
Touch control
Larger speaker size: 13mm
Supports dual calling & SIRI
Automatic pairing/charging/power on/power off
Chipset: JL6973
Earphone battery: 40mAh
Case battery:  300mAh
Play time: 6.5 hours 
Fully charging time: 1 hour
Bluetooth distance: 10-15 meters