Leerfei 6W Wireless Bluetooth 5.0 Speaker

Shell material: plasticBattery capacity: 1200mAhSpeaker resistance: 4?Usage mode: wireless connection/audio playback/TF card/FM radio/U diskConnection method: bluetooth connectionInterface type: USBFrequency response range: 100HZ-20KHZOutput power: 6wSignal to noise ratio: ≥75dBPower supply mode: built-in 1200mAh lithium batteryChannel: 2Play time: 3-5 hoursbluetooth protocol: 5.0Number of speakers: 2Effective distance: 10 metersOperation mode: buttonApplicable people: generalDisplay: NonePlay format: MP3, WMASupport format: U diskSpeaker adjustment method: buttonIs there a radio function: noneSize: 190 x 59 x 60mm