Type: bluetooth speakersConnection mode: bluetooth connectionInterface type: USBBattery capacity: 1800 mahFrequency response range: 100 hz - 20 KHZOutput power: 5 wSignal to noise ratio: 75 db or higherPower supply: built-in lithium batteryTrack: 2The broadcast time: 8 hoursExtension storage: do not supportBluetooth protocol: 2.1Speaker: 1Range: 10 metersFunction: phone、 card、 voice prompt、 the radioMode of operation: the keysApplicable people: generalDisplay: noFormat: WAV、 MP3、 WMA、 APE、 FLCShell material: plasticSupported formats: TF cardSpeakers adjust way: knobIf there is a radio: yesBody material: plasticAppearance size: 110 * 100 * 95 mmProduct weight: 0.37 (KG)Packing list: sound box body * 1、 * 1 charging line、 audio line * 1、 manual * 1Color: white、 black