Mp4 player portable mp3 player series intenso video internal memory 8 gb memory expansion microsd audio formats mp3 wma wma drm video formats avi picture format jpeg display size 18 inch display diagonal 457 cm display properties colour display battery life audio 8 h power supplies rechargeable polymer lithium battery internal battery connections usb 20 headphone 35mm jack organiser folder navigation colour black dimensions 91 x 41 x 9 mm