Specification:                                 

Power Supplier                                  DC5V

Output Power                                    3W (1KHz, THD10%)

Frequency                                         100Hz~20Hz

Signal & Noise Ratio                           ≥75dB

Impedance                                         4 OHM (Ω)

Li-ion Output                                     5V

Li-ion Input                                       3.7V~4.2V+0.05V

Lithium Battery Capacity                     250mAH

Speaker Unit                                      40 MM

Case Material                                     ABS

Dimensions                                        Dia55 MM

Weight                                              48 G

Color                                                White, Yellow

Packing:

Unit Weight                                        48 G

Color Box Size                                   56*56*75

QTY/CTN                                         100 PCS

N.W./G.W.                                         4.8 KG/ 8.3 KG

1.       USB power supply cable

2.       3.5mm audio tie-in

3.       Suitable for Laptop, Netbook, Mobile, MP3/4/5,CD/ PC/ MAC/ PSP etc.