Bose Ultra Open Bluetooth Earbuds with Spatial Audio & Water Resistance The Bose Ultra Open Earbuds feature a cuff like open ear design that rests outside the ear canal for all day comfort and awareness. Bose OpenAudio tech delivers rich private sound without blocking ambient noise. With up to 7.5 hours of battery life (4.5 with Immersive Audio) and 19.5 more via the case they support extended listening. Bluetooth 5.3 with multipoint and an IPX4 rating ensure reliable connectivity and durability for active all day use. **Features** \- Open Ear Design for All Day Comfort \- Immersive Bose OpenAudio™ technology \- Situational Awareness While Listening \- Up To 7.5 Hours of Playtime (4.5 With Immersive Audio) \- IPX4 Water Resistance **Content + Care** \- Ultra Open Earbuds \- Charging Case \- USB C® (A to C) Cable (12") \- Safety Sheet \- Manual **Size** \- Battery (Standard Playback): Up to 7.5 hours \- IP Rating: IPX 4 \- Dimensions (W x H x D): 2.56" x 1.65" x 1.04" \- Weight: 0.1 lbs. ****