USB-A Power Bank：FunctionThis speaker carries a USB charge-out function that will automatically detect your device and begin to charge it when the chargingcable is plugged into the USB-A port under powering-on modeAux-in Mode：Simply connect the speaker with your non-bluetooth device via the 3.5 mm audio jack cableNote: After plugging in an audio cable, the speaker will automatically switch to Aux-in modeTF Card Slot Mode：The speaker will play the music from your TF/Micro SD card when plugging the card into the slotUSB Flash Drive Mode：The speaker will play the music from your U-disk when plugging into the slot Bluetooth Speakers, 80W Portable Wireless Speaker with Stereo Sound Track Page Views WithAuctiva's Counter
