Features: Adopts advanced wireless BT technology, widely compatible with most BT-enabled devices, like for iPhone/iPad/Android phones/tablets/laptops, etc. Equipped with 3.5mm audio jack and TF card slot, allowing you enjoy music in more ways. Built-in microphone and it supports BT hands-free calls function, easy for you to answer/hang up the phone. Easy to control the buttons to pause/play music, adjust the volume and switch previous/next songs. 2*8W dual loudspeakers produce powerful bass and crystal-clear sound, bringing you a wonderful music enjoyment. Built-in high capacity rechargeable lithium-ion battery, providing long time music playing. Equipped with USB port, which also can work as the power bank to charge your devices through connecting the USB cable. Shockproof design and IPX6 water-resistant function, which can resist gentle water spray splash but cannot be partially or fully submerged in water. Comes with a DIY detachable hemp rope handle, easy to carry, suitable for outdoor, traveling and cycling.