1. Case material:Zinc Alloy. 2. Screen size: 1.8 inch TFT color screen. 3. Screen resolution: 128x160px. 4. Bluetooth range: around 8 meters. 5. Memory: Built-in 8GB memory, maximum support 128 GB TF card. Operation: Push Button Switch. Audio Format: MP3 or APE or AAC or FLAC or OGG or WMA or WAV,but can't support DSD, format hires audio file. Play Mode: Single Loop Song, Full Loop, Play and Shuffle. Battery: Built-in 500mA battery, support up to 50 hours audio play by earphone under screen saver. Music function: support. Recording function: MIC recording media and MP3 format. FM radio: support. E-book: format and bookmark support. Download and storage: USB2.0 high-speed transmission. Audio interface: 3.5mm audio jack. Support multiple languages: English, Danish, Italian, Portuguese, French, German, Spanish, etc. Size:87x55x14.5mm. Note: 1. The player supports connection with bluetoooth earphone,headset and speaker,but cannot connect to cellphone and car audio via bluetooth. 2. The player does not support the installation of Andriod app. Colour:Black and Gray Material:Metal Package Contents: 1 x player 1 x headphone 1 x English instruction manual 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.