Hear the sounds of a successful promotional campaign when you hand your clients this great wireless Bluetooth speaker as a gift at your next marketing event! Supporting USB storage devices and TF card inputs, this wireless speaker features a music lamp which changes colors, rechargeable battery, built-in microphone, super bass and a fashionable, round design. Add a customized silkscreen imprint of your company name, logo or advertising message before your next corporate event. Promotional success is music to your company’s ears with this great Bluetooth speaker!