Bose QC Ultra Wireless Headphone Black (880066-0100) is an over-ear wireless headphone designed for everyday use and travel. It features Bluetooth 5.3 with Multipoint support for stable connection to multiple devices simultaneously. Spatial Audio and virtual surround sound technology deliver a more immersive and realistic listening experience. Active Noise Cancellation (ANC) and Transparency mode allow control over surrounding sounds. The built-in microphone ensures clear and high-quality calls. It offers up to 24 hours of battery life for long-lasting use.