Features:
No more annoying cables
Download MP3 music from your PC into the headphone
Enjoy crystal-clear digital sound effect wherever you go
No more annoying cables Auto power off when signal stops for 2 minutes

Low power indicator
Stop/off, Play, Next, Previous, Volume control
Memory:32 / 64 / 128 MB flash memory
USB input jack
2.5mm AUX. input jack with additional earphone / Microphone input cable
No software needed
Fits for Windows ME, 2000, XP
Specifications:
Operation voltage: DC 2.8V
2 X AAA Durance alkaline battery up to 6 hours of continuous playtime
S/N Ratio:70~87dB
Total Harmonic distortion:0.1~0.2%
Output power:22.5 mW
Dimension:(W)155 X (D)58 X (H)173mm