Type: Bluetooth SpeakerConnection method: Bluetooth connectionInterface Type: USBBattery capacity; 800mahFrequency response range: 100HZ-20KHZOutput power: 5wSignal to noise ratio: ≥75dBPower supply: Built-in lithium batteryChannel: 2.1+1Play time: 4Extended storage: not supportedBluetooth protocol; 4.1Number of speakers; 2Effective distance: 10 metersFunction: anti-drop, waterproof, voice prompt, radio, dustproof, call function, NFC functionMode of operation: buttonApplicable people; general purposeDisplay: NonePlay format: MP3, WMA, FLC, WAVShell material; siliconeSpeaker adjustment mode; buttonIs there a radio function: YesAppearance size; 120*65*30mmColor: yellow, red, greenVolume output: 5wattsTotal peak output: 6Watts at