HAVIT HV-SK159BT LED Wired/Wireless Bluetooth Speaker with Power Bank, TF Card and FM Radio (Black+Green) Unique lighting design - LED backlit design with different backlit mode, The white backlit support adjustable brightness(Low&gt;medium&gt;High) Hand bank design - With hand bank design, You are easy to carry it where you go; Support wireless and wired connection - Not only support bluetooth connected but also support wired connected with 80 cm speaker cable; Power bank function and Support FM/TF Card - Build-in 6000 mAh Li-on battery can charge your phone and support FM Mode/TF Card ; All HAVIT products are built to the highest quality standards and we stand behind our products with a full 1 year manufacturer's warranty.