Stay connected and enjoy a great listening experience with the Sennheiser CX 7.00 BT wireless in-ears.Seamless ergonomic design with robust and classy build makes it appealing to every music lover. Experience high-quality dynamic sound with its powerful drivers. The CX 7.00 wirelessly transmits your audio via Bluetooth using aptX. Connect in a jiffy using NFC.Clear vocals and powerful bass give you an excellent soundstage. With a battery life of 10 hours and fast USB charging, listen to music all day long while you move around freely without tangling wires. Connect to multiple devices and be alert as the headphone notifies you of calls. Stay connected over calls and music and gain extra functionality with the 3 buttons on the neckband.