bose ultra open earbuds

Bluetooth 5.3

Four mics (two on each bud)

Lightweight

Battery life: Up to 7.5 hours

Earbud charge time: Up to 1 hour

Charging case charge time: Up to 3 hours

Quick-charge time: 10 minutes for up to 2 hours

Charge method: USB-C

Battery type: Lithium-ion