Sony WH-CH510 Wireless Bluetooth Headphones Black 35h Battery On Ear Headset Mic Condition: Gently used, excellent condition, no visible flaws or significant signs of wear Model: WH-CH510 Color: Black Wireless stereo headset featuring Bluetooth connectivity for cable-free music and calls Up to 35 hours of music playback time on a single charge Quick charge feature provides up to 90 minutes of playback from just 10 minutes of charging Integrated microphone for hands-free calls with HD Voice compatibility Swiveling earcups for flat, easy portability USB Type-C charging port (USB charging cable not included) Compatible with Google Assistant and Siri via voice button Visible Sony branding on both earcups Original box included, may show some minor shelf wear or small tears as seen in photos Headphones are made in Vietnam Lightweight, comfortable, and ideal for daily music, calls, or travel use