Product Description 1. Bluetooth: V4.2 2. Bluetooth distance: 10m 3. Battery capacity: 1500mAh 4. Signal to noise ratio: ≥80dB 5. Audio input: AUX, USB, TF card, Bluetooth 6. Power: USB charging 7. Output power: 20W 8.360° surround sound, no noise, support wired microphone, connect microphone at any time
