**1. product size: 90*90*90mm
**3. Basic Function: Bluetooth + AUX + Hands free
**4. Speaker driver: stereo, 40mm*1, 4Ω , 3W
**5. Speaker output: 5w
**6. Frequency Response: 280HZ-16KHZ
**7. Signal-to-Noise Ratio: ≥95db
**8. Distortion Rate: ≤1.0%
**9. Bluetooth transmission distance: 10 meters
**10.Bluetooth compliant: V2.1+CSR
**11.Built-in lithium battery:3.7v/800Mah,Work **Time: 4 hours