Description: Appearance: The player adopts the classic appearance design, which is simple, exquisite and fashionable. Function: Player supports digital music playback in MP3 and wma music formats, with lyrics display. Power supply: The player supports rechargeable lithium battery power (battery not included), and can play continuously for 20 hours after being fully charged. Multi-language: Player supports Spain, Portugal and English (default English). Automatic shutdown: U disk can effectively save power, green trend, and set the automatic shutdown time! Specification: Item type: Mini MP3 Player. Material: plastic. Color:black/red/blue/silver. Power supply: 1xAAA battery (not included). Interface: USB 2.0. Language: Spain, Portugal, English (default English). Item size:Approx. 9.5x2.6x1.6 cm/3.73x1.02x0.63inch. Weight 31g/1.09oz. Package Includes: 1 Piece Mini MP3 Player.