4 days ago · ¹ Testing conducted by Bose in April 2024 using production-representative Bose Ultra Open Earbuds playing IEC 60268-1 pink noise using A2DP Bluetooth audio streaming at an RSSI of 75 dBm. Volume was set to a playback loudness of 75 dBA and 3 …

Feb 15, 2024 · Bose’s Ultra Open Earbuds are its boldest, most unique earbuds yet. With a design that clings to your outer ear, these earbuds are unlike anything the company has made before — and Bose hopes ...

Feb 15, 2024 · Bose estimates that the Ultra Open Earbuds can last roughly 4.5 hours with Immersive Audio on or 7.5 hours with it off. The capacity of the case also varies between 12 and 19.5 hours based on ...

To the music lovers with a playlist for every mood and moment, meet your new obsession: A brilliant open-ear design. The all-day comfort of a cuff-like fit with OpenAudio technology. Ultra Open Earbuds leave your ears totally open so you can …