Sports mp3 player portable mp3 player mp3 watch internal memory 8 gb data transfer bluetooth storage media flash memory audio formats mp3 wma wav ape flac video formats avi picture formats jpeg bmp display size 15 inch display diagonal 381 cm display resolution 128 x 128 pixels display type lcd display properties touchscreen colour display battery life audio 12 h power supply li ion battery connections micro usb headphone 35mm jack organi