Specifications: Material:Metal;  Bluetooth version:4.0;  Display:1.8inch, TFT, 128 x 160P;  Product size:88.8 x 40.9 x 8.9mm;  Color:black, gold, white,silver;  Airframe capacity:8GB;  Appearance material:zinc alloy;  Audio format:supports full format lossless music, APE, ACC, FLAC, OGG, MP3, WMA format playback;  Support music background playback;  Support LRC lyrics sync display;  Play mode:repeat, single play, all cycle, browse, play, random play;  Support A-B repeat;  Variable speed playback:8 stage variable speed playback;  TF Card:maximum support 128GB (Not included);  Video format:supports AMV, AVI resolution:128 x 160;  Support external release function;  Support MIC recording, MP3 format;  Support radio function;  Support clock function;  Support alarm clock;  Support game function;  Support stopwatch;  Support FM radio receiving, you can save the channels you like for quick open next time;  Text reading:TXT format, support bookmarks;  Language:support 24 languages: English, Danish, Italian, Portuguese, etc.  Download storage:USB2.0;  Battery:polymer battery;  Screen saver standby time:420 hours;  Endurance time:65-80 hour audio with headset screen status;  Video:5-7 hours;     Package Included: 1 x Mahdi M320 MP3;  1 x USB Cable;  1 x Earphone;  1 x Manual