1. Size: 192 x 35 x 50 mm
2. Weight: 142g
3. Bluetooth version: 4.0
4. Bluetooth transmission distance: 10 meters
5. Applicable system: Android version 4.3 or above, iOS version 5.1 or above
6. Support cell phone size: 4.7-6.2 inches
7. Small size, easy to carry