Sennheiser CX 6.00BT In-Ear Wireless (507447) is an in-ear wireless neckband headphone designed for everyday use. It features Bluetooth connectivity for stable and convenient wireless listening. Its lightweight and flexible design sits comfortably around the neck, making it suitable for extended use. Built-in controls allow easy management of volume, music, and calls. The rechargeable battery provides practical everyday performance. Its compact design and secure fit make it ideal for both music and hands-free calls.