Multi-point operation Multifunction button LCD display Bluetooth®: v5.1 with BLE Incoming call alert and anti-lost alert Profiles supported: HSP, HFP, A2DP-AVRCP Operating Range: 10m Operation Temperature: 0-50 degree Celsius Charging Time: around 1.5hrs Talk Time: Up to 11hrs Music Time: Up to 13hrs Standby Time: about 500hrs Battery Capacity: 110mAh