Lenovo Active Noise Cancellation Headphones ThinkPad X1 Bluetooth 5.0; USB digital audio, Black/Iron Grey, ANC

Achieve undisturbed focus, any time, with active noise-canceling technology that intelligently mirrors and mutes noises and distractions around you. The battery time is about 14 hours playback (ANC off) after a full charge under Bluetooth connection. With quick charge, 15 minutes charging gets up to 2 hours playback. Alternatively, using the included 1.3m cord, you can use the headphones at the same time while charging without any interruption. Its multi-Layered memory foam leather ear cups are comfortable for long time wearing. Connect and synchronise to a notebook and mobile phone at the same time via Dual Bluetooth connectivity. Never miss any call and enjoy music at the same time. It comes with a 1.3m braided USB cord and compact travel carrying case that fits everywhere and conveys luxury.