AK-338 Portable Bluetooth Speaker with Flashlight! Rechargeable battery 800mAh. USB port/AUX Input/Micro-SD card slot/FM radio Function .With a strap to carry it comfortably. TWS (True Wireless Stereo) Allows you to connect two AK-338 for stereo sound experience. Available in different colors: black/blue/red/gray/camouflage. The cylinder form of the subwoofer provides an amazing sound, you will get surprise of the good quality of audio that comes out from this little speaker!