OUTPUT POWER : 3.8 W(RMS) - 58% loader than Hamberger Speaker
SPEAKER UNIT : 18 mm, 4 ohm impedance
FREQUENCY RANGE : 80 20KHz
SUPPLY VOLTAGE : INPUT : 3.7V, 500 mAh; USB : 5 V,0.1A

* Incredible sound amplification
* Clean & clear sound audibility
* 360 deg expansion sound field
* Monophonic Surround Stereo System(MSS)
* Easy connectivity for all audio devices
* Built in rechargeable Li-Ion battery
* Integrated cable management & storage
* Patented expandable BASS system