1. Input interface: USB
2. Bluetooth version: Bluetooth 2.1+EDR
3. Transmission distance: 10 meters in unobstructed area
4. Frequency range: 2.402GHZ-2.480GHZ
5. Support protocol: aptx-LL, SBC, A2DP, AVRCP, AFH, HFP, HSP
6. Indicator light: blue
7. Weight: 36 grams
8. Dimensions: 10.5 x 8 x 2.1 cm