2 × 1.5 inch titanium diaphragm driver, 2 × Passive radiators
Input: 5V2A (BT: 8.0dB +/ 1dB)
Audio Output: 16w (2*8W)
Battery Capacity: 6700mAH
Charge Time: about 4 hrs
Bluetooth Frequency Range: 2402-2480 Mhz
Speaker Unit High Frequency Range: Up to 40kHz
THD+N: <1%
Model number: A3117