Bose Ultra Open Earbuds- Black X Series 4 Interchangeable Heads

4 Interchangeable Heads

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Graphene technology quick charging with safety

Speaker: Built-in high-quality speaker

Advanced 32-Bit Computing and Anti-Slip Real Rubber Flanks

Bose Ultra Open Earbuds- Black X Series 4 Interchangeable HeadsQuick Overview: Introducing Ultra Open Earbuds. Their cuff like fit leaves your ears totally open so you can still hear the world around you, while OpenAudio technology provides you with rich, private sound. Listen to your music and life at the same time, all the time. Open ear design Immersive Audio Surprisingly private All day comfort Auto volume Up to 7. 5 hours of play time Simple, satisfying button controls. IPX4 rating for water resistance