... , active sound box 2G memory included Display ratio: 4:3 Resolution: 320 x 240 pixel, RGB Built in ... Supports MP3, WMA, WAV music format Supports MPEG-4, RM, RMVB video format Suppports Micro-SD card ... Support firmware upgrade Video playing time: up to 4 hours Music playing time: up to 8 hours ... : 0.314Kg Material : Plastic Power Supply : YES 3.5 Inch LCD Mini MP5 Speaker with 2GB memory build-in