Wireless Card Headset FM Sports MP3-SH-W3 Playing Running Hanging Ears Headphone

Description:
Audio formatMP3/WMA/WAV
Storage card:support 8GB
Sensitivity ≧86DB
Frequency Response20HZ-20KHZ
Battery:lithium battery
Cruising power:6hours
Operation system:windows 98/2000/XP
USB:USB 2.0