General Information:  

Charging: 
The speakers built-in battery,charging by USB cable about 2 hours. and turn on the blue LEDautomatically .turn off when charging finished.
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 whenit turned on . adjust  the volume by your player 

Technical Specification:
Model : mini cube speaker X590
Size:  L 3.2cm / D 3.8cm
Loudspeaker output : 2w X1
Sensitivity: 78 ± 3db
Distortion: 0.5%
Loudspeaker impedance : 6Ω
Material: ABS
Lithium polymer battery output:3.7V
Lithium polymer battery input:4.2V + 0.1
Playing time: average 4 hrs
Accessory : operation Instructions(printing on the package ) ,USB cable, 3.5mm stereo cable 

Package:
Carton box : 33.8*28.8*32.7 cm
QTY : 60pcs 
N.G: 5.5KG
W.G:6.5KG

Payment item:T/T
Price Terms: Ex SHENZHEN or FOB HONG KONG
Lead-time:15-20 working days comfirning you samples
Sample time :anytime
 FREE SAMPLE will be send you for testing.