Frequency response range: 60hz-15khzProcessing method: OEM processingPlayback format: MP3, wma, wavWhether there is radio function: YesProduct weight: 0.4 (kg)Speaker adjustment mode: keyApplicable population: GeneralBattery capacity: 1200mAhOverprint logo: yesFunctions: voice prompt, call function, voice prompt, card insertion, radio, call function, USB flash disk playback, 3.5mm audio inputPower mode: USBColor: pink, black, light blue, light greenBuilt in battery capacity: 1200 Ma -2000 MaBluetooth protocol: 5.0Output power: 5WConnection method: Bluetooth connectionAppearance size: 157*40*77mmPlayback duration: 8 hoursEffective distance: 10 metersSupported formats: USB flash disk / TF CardSignal to noise ratio: ≥ 75dbExtended storage: 32GBType: Bluetooth speaker