Screen size: 1.8 inches Memory card type: TF card Expansion card: support Operation mode: push button Interface: Mini USB Headphone jack: 3.5 Support audio formats: MP3, WMA, WAV, FLAC, APE Screen color: color screen Screen resolution: 160x128 Additional functions: FM radio function, recording function, external playback function Battery type: lithium battery Battery capacity: 250 Life time: 20 (hours) Colour: black Material: ABS Size: 40.5 x 52.5 x 11.5mm Package Contents: 2 x MP3 player 2 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Multi-format audio playback, compact and portable, support audio format MP3, WMA, WAV, FLAC, APE 5. Support video file type: support AMV/ (requires conversion tool support) 2. Dual magnetic loudspeakers, you don't need to wear headphones to listen to songs, and 7 kinds of sound effects are optional, such as electronic music/rock/funk/jazz 3. Support FM/MIC recording, format support WAV, intelligent noise reduction, HD lossless recording, up to 1536kbps bit rate, HD noise reduction, 360° surround recording 4. Fast charging and strong battery life, fast and multiple charging methods, learning and entertainment