E-book: Supports document format Charging interface: TYPE-C USB 1.1 Bluetooth compatible version: 5.2 (supports broadcast and video) Video format: 128x160 (conversion tool required) Software language: Simplified Chinese, English, German, Italian, Spanish, Dutch, Portuguese, Russian Screen: Yes Style: MP3 Supports recording function: Yes Supports FM: Yes Built-in speaker: Yes Operation: Touch screen + button control Supports e-book reading: Yes Bluetooth compatible: Yes Memory card: No built-in memory card Display: 1.8-inch 128x160 TFT screen Operation mode: Full screen touch + buttons TF card expansion: Supports up to 128GB o format: APE (fast/normal compression, 800Kbps-1000Kbps, 8KHz-48KHz), FLAC (1000Kbps-1200Kbps, 8KHz-48KHz), MP3 (8Kbps-320Kbps, 8KHz-48KHz), WMA (5Kbps-384Kbps, 8KHz-48KHz), WAV (32Kbps-1536Kbps, 8KHz-48KHz), AAC-LC (8Kbps-320Kbps, 8KHz-48KHz) Recording format: WAV Picture format: Supports JPG, JPEG, BMP Battery capacity: 200mAh / 3.7V lithium battery Charging specifications: 5V / 1A input Charging time: Approximately 2 hours Speaker: 1W, 8 ohm Environmental requirements: -5°C to 40°C Analog output: 3.5mm analog output Material: ABS Color: Black Package Contents: 1 x Headphones 1 x Data cable 1 x MP4 music player Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowed within +/- 1-3cm.