1: Support memory card: 128 MB~32GB TF card
2: Standard 2.0 usb port
3: Charge for 2 hours
4. 480mAh polymer lithium-ion rechargeable batteries
5: MP3, WMA format
6: signal to noise ratio: >75dB
7: headphone output power: 5 mw + 5 mw
8: output frequency range: 20Hz~ 20 KHz
9: working temperature: - 5 to + 50 degrees
11: Low voltage alarm :(low voltage too low. The red light flashing)
12: Camera pixel: 1.3MP
13: 29 FPS video frame: rate plus or minus 1 FPS
14: video resolution: 640 x 480
15: video encoding M-JPEG
16: JPG image format
17: AVI video format
18. High quality polaroid sun lenses, headset can be detached 19.Support multiple formats music playback, audio, stereo sound, video formats: AVI