Joby Zivio Boom Bluetooth Headset (Black) Revolutionary boom microphone designed to provide superior sound quality Interchangeable earpieces and ear loop provide all-day comfort and custom fit Bluetooth 2.1 technology, compatible with most modern cell phones Up to 10 hours of talk time, up to 200 hours (8+ days) of standby time Includes: headset, USB charger with two cables, six earpieces, two ear loops, user manual