Specification： Music playback: support mp3, wav and other playback Recording support: FM microphone recording, the format supports mp3 wav Picture format: jpg/jpeg/png Video format support: avi/amv Play mode: single loop, all loop, random play, browse play Body memory: built-in 4G Memory expansion: maximum support 128G (Not Included) System support: windows98 Recording format: mp3/wav Frequency: 20hz-20khz FM radio: support Alarm clock function: support Language: Supports multiple languages Operation method: touch Battery capacity: 250mah Working hours: 24 hours (listening to music with headphones) Screen size: 1.8 inches Headphone jack: 3.5mm Charging interface: USB micro Bluetooth function: support Bluetooth: 5.0.
eBay