E-book: supports document formatCharging interface: TYPE-C USB1.1 chargingBluetooth compatible version: 5.2 (supports both broadcast and video)Video format: , 128x160 (you need to use the conversion tool to convert by yourself)Software language: Simplified Chinese, English, German, Italian, Spanish, Dutch, Portuguese, RussianScreen: YesStyle: mp3Support recording function: yesSupport FM: YesWhether there are speakers: YesOperation : touch screen + button soundSupport e-book reading: YesBluetooth Compatible: YesMemory card : B-no memory cardDisplay: 1.8-inch 128x160 TFT screenOperation mode: full screen touch + buttonsTF card expansion: 128GBaudio format: APE (fast/normal compression, 800Kbps-1000Kbps, sampling rate 8KHz-48KHz), FLAC (1000Kbps-1200Kbps, sampling rate 8KHz-48KHz), MP3 (8Kbps-320Kbps, sampling rate 8KHz-48KHz), MP3 (8Kbps-320Kbps, sampling 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)Recording format: WAVPicture: Support JPG/JPEG/BMPBattery capacity: 200mAh/3.7v lithium batteryCharging specifications: 5V/1A inputCharging time: about 2 hoursSpeaker: 1Wx8 ohmEnvironmental requirements: -5-40Analog output: 3.5mm analog outputMaterial: abscolour: BlackPackage Contents: 1 x headphones1 x data cable1 x MP4 music playerOnly 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.