【Full Touch Screen Control】High-sensitivity 2.4-inch capacitive touch screen with 320*240 resolution for intuitive operation. 【Versatile Functionality】Features voice recording, high-definition image viewing, e-book reading, and FM radio capabilities. 【Bluetooth-compatible 5.0】Supports Bluetooth-compatible transmission for wireless audio streaming and connectivity. 【Extensive Storage】Expandable storage up to 128GB, perfect for large music and video libraries. 【Multi-Format Support】Compatible with various audio formats including APE, FLAC, MP3, WMA, WAV, and AAC-LC for versatile playback options. 【Video Playback】Supports AVI video format (240*320, with conversion tool) for on-the-go entertainment. Specifications: Size: 69mm*53.5mm*12.5mm Software language: Simplified Chinese, English and other 6 languages Product weight: about 78 grams Display: 2.4 inches 320*240 Button: high-sensitivity full-screen touch Battery: 300mAh/3.7V lithium battery Charging parameters: 5V/1A input Charging time: about 2 hours Bluetooth-compatible version: 5.0 Expansion card: ≤128GB Environmental requirements: 5℃～40℃ Audio 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) WMA(5Kbps-384Kbps, sampling rate 8KHz-48KHz) WAV(32Kbps-1536Kbps, sampling rate 8KHz-48KHz) AAC-LC(8Kbps-320Kbps, sampling rate 8KHz-48KHz) Video format: AVI 240*320 (converted by conversion tool) Recording format: WAV Picture: Support JPG/JPEG/BMP E-book format: Support TXT document Interface : TYPE-C USB1.1, charging Analog output: 3.5mm analog output Speaker: 1W*8ohm