Features of Innovatek M1:

New Innovative Desgin that let you Connect Many Together. WoW

Portable 3W Mini Speaker with Lithium Battery.
Built-in MP3/WMA SD Card Player
Play MP3/WMA format music from SD Card
Connect any 3.5 stereo audio cable into the USB socket of “LINE IN”
Innovative Dual AudioIN/Power USB Socket provided with Included Innovatek USB
AudioIN/Power Dual USB Cable.
You can play music from mobile phone, MP3 MP4 PC and other audio devices.
Earphone Lineout to earphone, Amplifier or other WaveMan!
Brillant Sound & Deep Bass

Specifications:

MP3/WMA SD Card Player
Memory Capacity: 8GB SD Card Compatible
Power Supply: Built-in rechargeable high capacity lithium battery (400mAh)
can play the music around 3-4 hours
USB Interface: USB1.1/ 2.0
Speaker Output power: 3W
Frequency response:200Hz-12KHz 40hms
Speaker Size: 40mm
Audio Connector: 3.5mm headphone jack hold
USB AudioIN/Power connector

Package Content:

-WaveManM1 MP3 Player
-Stereo headphones with an elegant design
-USB AudioIN/Power Innovatek Data Cable with 3.5m Male AudioIN jack and USB connector

Excellent sound quality & extreme music experience.
Use with any digital devices like a MP3 player, PND, Cell Phone etc...