General Information:  

Charging: 
The speakers built-in battery,charging by USB cable . 
NOTE:
when charging , sure be turn off the power switch of the speakers.
Using:
Connect to your player by 3.5mm jack as the same as earphone . the voice will come out when it turned on . adjust  the volume by your player  

Technical Specification:
Model : mini balloon speaker X680 
Size: W.L. D 55mm
Loudspeaker output : 2w X1
Sensitivity: 78 ± 3db
Distortion: 0.5%
Loudspeaker impedance : 8Ω
Material: ABS and fabric
Lithium polymer battery output:3.7V
Lithium polymer battery input:4.2V + 0.1
Playing time: average 4 hrs
Accessory : USB cable,
Color available. Red, Yellow, Greeen and Orange,black.  

Payment item:T/T
Price Terms: Ex SHENZHEN or FOB HONG KONG
Lead-time:15-20 working days comfirning you samples
Sample time :anytime