Portable Bluetooth Stereo Speaker with Mic for Cellphone, Laptop, MP3, iPhone, iPod Allows you to stream music from Bluetooth enabled devices such as cell phones, PDAs, MP3 players, PCs and laptops. Built-in MICROPHONE lets you take hands-free calls from your Bluetooth enabled phones. Offers a wireless connection range of 10 meters (33 feet). Built-in microphone lets you take hands-free calls from your Bluetooth enabled phones. Comes with a 3.5mm audio jack, which allows connection with non-Bluetooth audio devices that support 3.5mm audio input. Convenient controls  volume up/down buttons, play/pause button and on/off switch. Powered by rechargeable battery or AC power.