? Bluetooth wireless stereo speaker， stereo 3D ring designs， superb music enjoyment

? Bluetooth V3.01+EDR international standards， fully compatible with Bluetooth-enabled cell phones? Cell phone hands-free calling， call without echo

??Support TF card，

? Using two specially made HD 16-cell double magnetic speaker， unique dual diaphragm design， perfect bass

? Aluminum alloy metal case， metal look texture， qualities distinguished Before and after photos by Arias and the Pause key， easy to control playback of music

??Built-in 800 mAh lithium-ion battery， standby time is long

? Internal reset LINE-IN interface can connect MP3， notebooks， CD and other audio sources

? Frequency range: 150Hz-20KHz

? S/n ratio: reaches 85dB

? Output power: 3W*2

? Impedance: 4 ω