Specifications:1. Model: SW012. bluetooth version: V5.0 + EDR3. Support agreement: A2DP4. Frequency range: 2.402GHz- 2.480GHz5. Function: Plug and play6. Button: Pairing/ Indicator7. Signal noise: >=90dB8. bluetooth distance: 10m/ 32.81 ft9. Power supply mode: USB 5V power supply10. Output connecti..