... turn on/off body sensor f 1. 7 inch (16:9) digital LCD screen, with wide viewing angle ... available.sizes optional 3. Support SD card (with push-push type card reader), anti-theft lock ... , support picture, video and music mix-play.6. With built in stereo speakers.7. Support MPEG4 (divx ... MP3, WMA media formats8. With body infrared sensor function, can turn on/off body sensor function and select sensor ...