Bluetooth speaker for wireless music streaming and hands-free calling This wireless speaker features Bluetooth? technology to make your life easier, more comfortable and more efficient. You can now enjoy crystal clear sound with dynamic bass from your iPhone, iPod, laptop or other Bluetooth? devices. It features two full range 40 mm drivers, and a built-in microphone that allows for hands-free calling virtually anywhere. It has a battery life of 3 hours, and a range of up to 10 m.