You'll "speak" to your customers during the next promotional campaign by handing out this Nano wireless speaker! Measuring 3 1/2" x 1 7/8" x 5/8", this handy accessory is simple to pair with your handheld device, with the high-definition Bluetooth 3.0 technology providing dynamic stereo sound. It also includes a built-in microphone to take hands-free calls, as well as an LED indicator light and a micro USB input (cord included). It has a 500 mAh lithium polymer battery that provides up to 4 hours of play time. Customize with an imprint of your company logo and message for maximum brand exposure. Turn up the volume during the next campaign!