Wireless Bluetooth Multimedia Speaker condenser mic sensor For music

Wireless Bluetooth Multimedia Speaker condenser mic sensor For music Quick details: 1. Support Bluetooth 3.0 + EDR, A2DP, HFP and AVRCP 2. Built-in condenser mic sensor 3. Built-in 3.7V / 400 mAh Lithium battery rechargeable by USB cable (included) 4. Transmitting distance: < 10m 5. Charge time: 2.5 hours 6. Last time: 4 hours Description: 1. Output power: 3 W 2. Speaker unit: 4Ω / 3W 3. Signal and noise ratio (SNR): ≥ 80dB 4. Frequency Response: 20 Hz - 20 KHz 5. Output