The CX 7.00BT In-Ear Bluetooth Wireless Neckband Headset from Sennheiser delivers detailed sound and enhanced bass using Bluetooth 4.1 and Qualcomm aptX technology for true hi-fi sound. The headset features a lightweight ergonomic design and ten-hour battery that lets you enjoy an all-day listening experience for smartphones, tablets, and other portable devices.

Featuring a handy three-button remote and a high-quality microphone, the CX 7.00BT headset lets you control not only your music but also your phone calls. It provides 3-way calling support and delivers a clear, detailed sound with enhanced bass. The CX 7.00BT also supports USB audio with compatible source devices. Included is a USB cable, a storage pouch, and a set of eartips in four different sizes (XS, S, M, and L).