[Touch Operation] Full 2.0-inch (diagonal) LED backlit bright widescreen with IPS technology. Easy to operate, give you a visual feast, more sensitive full touch operation. [Upgrade Bluetooth 5.0] The connection is more stable, support Bluetooth connection, can be used with Bluetooth headphones and Bluetooth speakers, better experience. [Multi-format playback] No need to convert direct playback, support avi, amv and other formats video playback, it supports MP3, WMA, DRM, WMA, OGG, APE, FLAC WAV, AAC-LC, ACELP, Audible and other music formats. [Up to 128GB] supports memory expansion memory, up to 128GB micro sd card expansion (micro sd card not included). You can download thousands of songs and store a large number of files. [Excellent Sound Quality] Provides high fidelity level sound quality close to original sound, supports most audio formats, perfect sound quality makes it a must-have device for avid listeners, making your work and life more enjoyable.[Quick Charge] With 300mAh large capacity lithium-ion battery and Typec fast charging technology. Quick charge 2 hours to enjoy 12 hours of uninterrupted music (wired headphones to listen to music). -Name: MP3 player-Picture format: JPG/JPEG/BMP-Video format: AVI-Playing mode: all songs/playing/song category/file directory-Memory expansion: maximum support 128G (excluding micro sd card)-System support: windows98-Recording format: WAVM radio: support-Alarm clock function: support-Battery capacity: 300mah-Charging time: 2 hours-Working time: 12 hours (wired headphones for music)-Screen size: 2.0 inches-Resolution: 128*160-Operation mode: touch + keys-Headphone hole: 3.5mm-Charging interface: Typec-Bluetooth function: support-Bluetooth chip: 5.0-Body material: aluminum alloy-Size: 58.3*47.8*10.5mm-Color: black/white