USB mini speaker
1,Mini size design real factory
2,Cheap price with good quality13months warranty

Features:
Perfect combination of function and shape.
New mini aluminum vibration film loud speaker, which has clear alt and pure woof. The unique design makes tone performance perfect.
With standard 3.5mm audio plug; you can connect this cute mini speaker with your computer, laptop, iPhone, iPod, DVD, CD, MP3, MP4, mobile phone, GPS, PSP....
Support Micro SD and TF Card. (memory cards NOT included)
Keys: Play/Pause, Vol-/+, Previous, Next, and ON/OFF.
Built-in lithium battery. Powered by computer USB port or through a power adaptor.
Come with a flexible USB & Audio cable.
High grade aluminum alloy case. Fresh Color. Classical and modern design.
Compact and lightweight, easy to carry.
Patent product.

Specifications:
Color:Black, Silver,Red, Blue, Green(Note: pls tell color you want, thanks!)
Patent NO.: ZL201030217996.4
Output: RMS 3W + 3W THD = 10%
Frequency response: 150-1800Hz (±3dB)
Signal and noise ratio of power amplifier: ≥80dB
Loudspeaker: 1.77" (external diameter 45mm)
Inpedance: 4ohms
Power supply: 5V 1000mA AC power adaptor or PC USB port (power adaptor Not included)
Interface: USB and Micro SD/TF slot
Housing: Aluminum alloy
Item size: 75x53x51mm
Item weight: 135g
Package size: 75x73x53mm
Package weight: 175g