Features: 100%brandnewandhighquality Madeofhighqualityfluorescencesurfacealuminumalloyelegantandstylishinappearance. Goodsoundqualityletsyouindulgeinyourfavoritemusic SupportsSecurityDigitalMemoryCardTFcardUSBdiskFMetc. SupportsLineINfunctionreceivingtheaudiosourcefromMP3MP4PCNotebookPhoneetc. SupportsUSB2.0highspeedtransmissionfullycompatiblewithUSB1.1. FunctionButtons:on/offmenuprevioussongnextsongplay/pausevolumecontrol LEDdisplaypanel. Built-inhighcapacityrechargeablebatterysupportlongplay. Compactandportableconvenienttocarry. Specifications: Material:Aluminumalloy Powersource:Li-ionbattery/DC5V SNR:morethan80dB Musicformat:MP3 Colors:GreenRedBlueSilver Size:50*50*50mm Packageincluded: 1*MiniPortableUSBSpeaker 1*3.5mmAudioCable 1*USBChargerCable