With built-in 250mAh battery, it can support 6-8 hours of continuous playback.Coming with a plug and play card slot, it supports MP3 music format and AMV video format.It is made of high-quality ABS material, which is solid and durable.The length of the product is 9.1cm, the width is 4cm and the height is 1cm.It is suitable for student, home, office, travel and sports.Item Name: MP4 PlayerMaterial: ABSModel: T3Bluetooth Version: 4.2Screen Size: 1.8 InchScreen Color: Color ScreenBattery Capacity: 250mAh (Included, with Circuit Protection)Usage Time: 8 Hours for Music, 4 Hours for Video Charging Time: 90 MinutesMaximum Memory: 32G Memory CardMusic Function: Support MP3 FormatVideo Function: Support AMV FormatImage Function: Support JPG, JPEG FormatE-book Function: Support TXT FormatBluetooth Function: Support bluetooth-compatible 4.2 (Compatible with Most bluetooth-compatible Devices on the Market)Additional Functions: Music, E-book Reading, Radio, Video and Audio Recording, Stopwatch, Timing ShutdownSupporting Languages: Chinese, English, German, French, Spanish, Portuguese, Japanese, Turkish, Russian, Indonesian, Thai, Vietnamese and HebrewFeatures: Multifunctional, Non-slip, Plug-in CardSize Details: 9.1cm x 4cm x 1cm/3.58" x 1.57" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Note that TF card is not included in the product.Package Includes:1 x MP4 Player1 x Earphone Cable1 x Data Cable1 x User Manual