1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Battery capacity: about 150mAh
2. Button strength: 50-70g
3 ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...
1. Bluetooth 3.0 standard interface
2. Effective operating distance ...