360 degree full range speaker driver unit, immersive stereo design, give you immersive music experience, restore the scene of the original-sound.
Features:
Equipped with passive low-frequency radiators, beyond the range of broadband response of hi-fi standard, to improve the penetration and depth of the bass.
Adopting a new two-channel arithmetic scheme, the WAV lossless music format is quickly resolved.
Large b-attery capacity, say goodbye to the trouble of frequent charging.
Built-in broadband noise reduction microphone, can quickly read and convey high definition voice, free hands. At the same time support answer, hang up, call back and other functions.
With 3.5mm audio input interface, you can connect with audio cable even without BT.
Insert the TF(Micro SD) card and U disk into the storage device to directly play the music files in the device.
Support fast forward/backward, last/next music, song selection and other multimedia functions.
Specifications:
Item type: Speaker
Color: Golden, silvery, black(optional)
FM frequency: 87~108Mhz
The loudspeaker specification: ∅40mm 4Ω 3W
Response frequency: 20-20KHz
The sound noise ratio: ＞80dB
BT version: BT 3.0+EDR
BT distance: ＞10m
Input mode: AUX、TF card、BT 
Charging voltage: USB 5V 500-1000mA
Degree of distortion: ＜1%
Power supply mode: built-in lithium b-attery 2200mAh
Function: BT playback, hands-free call, AUX audio input, TF card/USB playback, radio functions 
Range of application: Support most intelligent phones, compatible with i-pad, laptop, desktop computer and other digital devices(Devices without BT function need to be used with BT adapter) 
Item size: 170*67*33mm
Package weight: 472g/1.04pounds
Package size: 200*95*70mm/7.87*3.74*2.75inches
Package list:
1 * Speaker
1 * USB cable