technical parameters:

Power supplier:  passive
Output power:  1W(1KHz,THD10%)
Frequency:  200Hz——15KHz
Signal&noise ratio  ≥65dB
Impedance:  8 OHM(Ω)
Speaker Unit:  16mm
Case Material:  ABS
Dimensions:  50*50*15.8mm
Weight:  23g
Color:  Black/Red/White

features and functions:               
(1) Can play music by link to Ipod, Iphone, Touch, 3GS
(2) Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere
Power Source:
passive

OEM/ODM,Customized Logos/Designs are Welcome