Connection mode: Bluetooth connectionInterface type: USBBattery capacity: 1200Frequency response range: 100HZ-20khzOutput power: 5WSNR: ≥75dBPower supply: Built-in lithium batteryExtended storage: 32GBBluetooth protocol: 4.1Box material: siliconeAppearance size: 15.9*4.6* 7.3mm
