1. 4 heavy bass horn
2. Two channels 6D stereo surround sound.
3. Noise cancellation ENC sensitive pickup
4. Plug Type: 3.5mm
5. Speaker size: 6mm 10mm
6. Speaker impedance: 16 ohms
7. Frequency response: 20Hz-20kHz
8. Signal to Noise Ratio: 96 +/- 3DB
9. Microphone sensitivity: 42 +/- 3DB
10. Cable length: 1.2m