Specification:
Packing size: 22*15.5*3.5cmSingle set weight: 230gProduct model: A10Product Type: Bluetooth headset with neck hangingBluetooth version: 5.0Bluetooth protocol: A2DP, AVRCP, H-SP, H-FPOperating frequency: 2.400-2.480GHzTransmission distance: 10-20mBattery capacity: 1000mAhMusic life: about 100 hours