Product Features: 1. Classic appearance design, simple, exquisite and fashionable. 2. Support digital music playback in MP3 and WMA music formats, with lyrics display 3. Built-in rechargeable lithium battery, full of 20 hours of continuous playback, perfect music enjoyment. 4. Support MP3, WMA format music files. 5. Dry battery design, easy to replace. 6. Stylish and compact shape design, beautiful and exquisite workmanship, good gift. Operation mode: button type Interface: USB 2.0 Headphone jack: 3.5mm Support audio format: MP3 Screen color: monochrome screen Screen resolution: 160128 Menu language: Chinese and English Additional features: FM radio function Additional features: recording function Battery Type: 1 AAA battery (not included) Package contains: 1*MP3 player Screen size:1.2 inches Operation mode:Keypad Interface:USB 2.0 Headphone jack:3.5mm Audio format:MP3 Screen colour:Monochrome Screen resolution:160128 Menu language:English and Chinese Additional features:FM radio function Additional features:Recording function Battery Type:Lithium battery Battery capacity:260mA Life time:20 Product size:85mm*30mm*10mm