Bose QuietComfort 45 - Wired & Wireless Bluetooth Headset in Black 3 OpenRun is our lightest headphones

OpenRun is our lightest headphones to date and are engineered with outstanding sound

the underside is secured attached using captive screws

A multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom

5 W Power consumption (typical) 65 W Annual energy consumption 31 kWh Power consumption (off) 0

Bose QuietComfort 45 - Wired & Wireless Bluetooth Headset in Black 3 OpenRun is our lightest headphonesQuietComfort 45 headphones, 12", USB C, 3. 5 mm to 2. 5 mm ICONIC QUIET. COMFORT. AND SOUND. You feel it the minute you put them on. The soft, plush cushions seal you in. Then you flip the switch and whoosh the world fades. And the music starts. The original noise cancelling headphones are back, with better world class quiet (plus the new Aware Mode), shockingly light materials for premium comfort, and proprietary acoustic technology for deep, clear