This iTrak speaker and transmitter lets you enjoy music from any Bluetooth-enabled device. Plus, it lets you talk on your cell phone while keeping hands free for other tasks. Features built-in mic, automatic music cut-out when a call comes in, fast and easy synching, impressively stunning HD sound, line in/out jacks, for using as a transmitter with a non-compatible Bluetooth device like your current home theater, Micro USB jack for charging and rechargeable battery. Measures a mere 2.5" diameter x 3.25"H. 3-year limited warranty. Not available in AK, HI or P.R.