Altec Lansing T515 Portable Speaker for Stereo Bluetooth Phone Portable speaker system with wireless headset designed for Bluetooth cell phones Wirelessly captures stereo music stream from cell phones using Bluetooth technology Rechargeable headset includes built-in mic and earbuds; offers speakerphone option Instinctively shuts off music when call comes in; 3.5 mm auxiliary input with cable 7-hour battery life; measures 7.5 x 3 x 2.4 inches (W x H x D); 1-year warranty