Bose Ultra Open-Ear True Wireless Bluetooth Open Earbuds, Black - Certified Refurbished

Ultra Open Earbuds feature a brilliant combination of innovative open-ear design, incredible audio, and all-day comfort. With a cuff-like fit, Ultra Open Earbuds leave your ears open to hear the world around you while OpenAudio technology delivers rich, private sound.Features Immersive Audio - Spatialized sound puts you in the music. OpenAudio technology - Rich, high-quality, private sound. SimpleSync - Pair seamlessly with Bose smart soundbars and speakers. Go ahead, listen longer - Up to 7 hours of play time (up to 4 hours with Immersive Audio or Auto Volume) or up to 48 hours of standby, and up to an extra 19.5 hours of battery life in the charging case. Bose app - Take personalization even further with Adjustable EQ settings in the Bose app. Control bass, mid-range, and treble levels as you go. Bluetooth® multipoint connectivity - With multipoint connectivity, you can seamlessly connect to two devices simultaneously via Bluetooth. Durable & water resistant - Engineered to withs