Rechargeable built-in lithium-ion battery USB (Universal Serial Bus) audio streaming & charging capabilities Auxiliary input connects to audio enabled devices Volume & power function buttons on the unit Built-in 30mm x 90mm oval passive bass radiator Two channel stereo speaker with two 114; inch drivers on each channel & built-in class-D amplifier Soft protective carry pouch for transportation All speaker drivers magnetically shielded Total power output: RMW 1.5W x 2 THD + N (testing level):10% Signal to noise ratio: 80d BA Frequency response:270 Hz-17k Hz +/- 5d B Frequency range:50 Hz
- 23k Hz -10d B Distortion:1% Input sensitivity: Auxiliary:900±50m V Audio input:USB audio, Auxiliary 3.5mm Adjustment: Volume, power buttons located on the unit Power supply:USB power, Rechargeable lithium-ion battery (800m Ah/3.7V) Speaker unit: Full Range: 114; inch (32mm), Magnetically sheilded, 4 Dimension:261mm x 36mm x 44mm (W x H x D) Weight:0.37kg (net) 0.45kg (gross)