Drive Diameter: 2" 4Ω 12W
Output power:6W × 2
(RMS)THD = 10% (only one channel)
Battery: 2200 mAh (4hour with 80% VOL)
Frequency response:50Hz-20kHz
Sensitivity (mV) : 750mV±50mV
Working Vol: USB 5V 1000mA /3.7V 2000mAh
Play Time: Up to 4-5 hours (hour with 80% VOL)
Charge Time: Up to 3-4 hours
Bluetooth specification: V4.2 + EDR
Music format: MP3
