BT12 Motorcycle Helmet Wireless Bluetoothe Headset

Wireless Version: 5.0Wireless
Frequency: 240MHz-2480MHz
Operation Range:10M
Earphone Battery Capacity: 40mAh
Standby Time: 360H
Talk Time: 3.5H/15H
Music Playing Time: 16H
Case Battery Capacity: 300mAh
Charging Time: 1.5Size?55x50x27mm