Shokz OpenFit continues the open-ear concept to let users enjoy all-day comfort and hear their own soundtrack while staying open to the world around them. Ultra lightweight open-ear design. Up to 28 Hours of playtime (With Case). USB-C Fast charging (5 Minutes gives 1 hour of battery life). Open Ear concept allows you to hear your surroundings. Dual-layered Ultra-Soft Silicone for long-lasting comfort. Dolphin arc ear hook with built-in 0.7mm ultra-fine flexible memory wire - Adapts to your ear shape. Powerful Bass Experience with NEW DirectPitch Technology - Bold Highs, clear mids and surging bass. High-strength carbon Fibre inner dome. Powerful 18 x 11mm Dynamic Driver. Perfect for use at the Office, Home or during sports activities. AI Noise Cancellation - Filters out up to 99.7% of ambient noise during calls. Easy one touch controls. IP54 Water resistant. Control via the SHOKZ App