Package contents: Bluetooth speaker, USB charging cable, audio cable, box Features:Built-in Bluetooth wireless transmission, hands-free function for incoming callsStereo audio transmission protocol (A2DP V1.2)Supports playing MP3 songs stored in a USB flash driveSupport TF cardSupport FMSupports recyclable charging Technical Parameters:Output power: 5W * 2Speaker: 4Ω 5wInput sensitivity: 400mvResolution: ≥90dbSignal to noise ratio: ≥75dbWorking voltage: dc 5vBattery: 1200 mAh
