The Bose Noise Cancelling Headphones 700 (NC 700) are premium, over-ear wireless headphones known for top-tier noise cancellation (ANC) with 11 adjustable levels, excellent voice pickup for calls, and a sleek, modern design featuring a stainless steel headband. They offer a comfortable fit, up to 20 hours of battery, intuitive touch controls, Bluetooth multi-point connectivity, and seamless voice assistant integration, though some users find them bulky for intense sports. 

Key Features:
Noise Cancellation (ANC): 11 levels, from full silence (Level 10) to full awareness (Level 1), effectively blocking ambient sounds like engine hum or office chatter.

Voice Pickup:  A unique microphone system isolates your voice and suppresses background noise for crystal-clear calls, even in noisy environments.

Sound Quality: Offers crisp, detailed audio that's well-balanced for long listening sessions, though bass-heavy listeners might prefer rivals like Sony.

Design & Comfort: Features a sleek, lightweight stainless steel headband and plush earcups, designed for extended wear.

Controls: Includes intuitive touch controls on the earcups for music/calls and quick access to voice assistants (Alexa, Google Assistant).

Connectivity: Bluetooth with multipoint pairing to connect to two devices simultaneously (e.g., phone and laptop).

Battery Life; Up to 20 hours of wireless listening.