Support Bluetooth connection, FM radio function, back clip function, video playback, recording function, ebook function, picture browsing,alarm function, date and time function (including set time and set date), supported languages (English, German, Italian, Spanish, Dutch, Portuguese)Software language:Simplified Chinese, English and other languagesProduct weight:. 34gDisplay:1.77 inch resolution 128x160Bluetooth:V5.2Audio format:APE(Fast/Normal compression, 800Kbps-1000Kbps, sampling rate 8KHz-48KHz)FLAC(1000Kbps-1200Kbps, sampling rate 8KHz-48KHz)MP3(8Kbps-320Kbps, sample rate 8KHz-48KHz)WMA(5Kbps-384Kbps, sampling rate 8KHz-48KHz)WAV(32Kbps-1536Kbps, sampling rate 8KHz-48KHz)AAC-LC(8Kbps-320Kbps, sampling rate 8KHz-48KHz)Video format: 128x160(Conversion tool)Recording format:WAVImage format:JPG/JPEG/BMPEbook format: documentTF card expansion:less than equal 128GCharging specification:5V 1000mAVideo format:128x160 (requires conversion tool)Ebook format:Battery:3.7V polymer batteryCharging time:about 2 hoursNote:Supported by the : /Windows/ os10.12 above.Type:16GColour:BlackMaterial:ABSSize:66MMx41.5MMx18MMPackage Contents:1 * data cable1 * headphone1 * MP4Only 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.