OpenRun Pro 2, Shokz's flagship headphone, redefines open-ear audio with DualPitch™ Technology. This innovation pairs bone conduction for precise mids and highs with a dedicated air conduction speaker for powerful bass.Experience unparalleled audio that's dynamic and clear. Immerse Yourself. 3D Audio Perfection. A custom algorithm distributes sound elements to dedicated drivers for a dynamic 3D audio experience, while DRC technology eliminate distortion even at high volumes. Classic Mode uses only the bone conduction driver for a purer, more traditional open-ear experience. Volume Boost Mode increases overall loudness, ideal for noisy. Maximize the Comfort. Shokz's signature open-ear design ensures breathability and hygiene for your ears. Paired with DualPitch™ Technology's significant vibration reduction, OpenRun Pro 2 offers unparalleled comfort for even your longest workouts. Reminder: This product contains silicone. If you have a known allergy or sensitivity to silicone, use with caution. Technology: 10th-Gen Bone Conduction Tech (DualPitch™) Battery Life: 12 Hours Charge Time: 1 Hour Sweat & Water Resistant: IP55 Sweatproof Weight: 30.3 ±0.5g Materials: Silicone, Plastic, Nickel-titanium alloy