1. Bluetooth version: 3.0+EDR
2. Transmission distance: 10 meters
3. Input interface: USB TYPE C/USB A
4. Frequency range: 2.402ghz - 2.480ghz
5. Support power role swap
6. Input maximum current 3.1A
7. Output voltage: 5V / 9V / 12V / 15V
8. Support Bluetooth speakers