Case Material:ABS+fabric

Lithium battery:300mAh

Output power:4W(1KHz,THD10%)

Play time:up to 5 hours on a single charge

Compatible with your PC,Laptop,for Iphone,for Ipad and other mobile devices.

Certificates:CE,FCC,RoHS

Warranty: 1 year
Output power: 4W*1(1KHz,THD10%)
Frequency: 150Hz-18KHz
Signal&noise ratio: ≥80dB
Impedance: 4 OHM(Ω)
Li-ion Output: 3.7V~4.2V+0.05V  
Li-ion Input: 5V
Lithium battery: 300mAh
Speaker Unit: 4mm
Case Material: ABS+Fabric
Dimensions: 70.5*70.5*38mm
Weight: 98g
Color: Any color can be customed.                                 Accessories                                                                   1)USB power supply cable
2)3.5mm audio cable