OpenRun Pro 2 mini offers big performance in a smaller size. OpenRun Pro 2 Mini features a shorter band than Shokz standard size, making it ideal for smaller head sizes and for those who prefer a more snug fit. 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. 10th Generation Bone Conduction Technology with better mids and highs Shokz DualPitch™ Technology for premium sound quality Reduced vibrations with DualPitch for reduced feedback Up to 12-Hour battery life & quick charge Signature Shokz Open-Ear design Sweat & Water Resistant: IP55 Sweatproof Cloud-Comfort fit is secure without being uncomfortable Charge Time: 1 Hour Quick Charge: 5-min charging = 2.5 hours of Use Bluetooth® V5.3 Weight: 30.3 g Materials: Silicone, Plastic, Nickel-titanium alloy