Brand: Shokz. MPN: S821-MN-SR-US. SHOKZ New OpenRun Pro 2 Mini- Open-Ear, Bone Conduction Sport Headphones - with Reflective Strip - Sweat Resistant, Workout Headphones - Secure, Wireless, Comfortable Fit-Deep Bass and Smart Mic App. SUPERIOR SOUND QUALITY - Experience crystal-clear audio with our advanced air conduction technology, delivering premium sound without blocking your ears, ensuring you stay aware of your surroundings. Lightweight and flexible for everyday wear and mobility EXTENDED BATTERY LIFE - Power through your day with up to 12 hours of continuous listening on a single charge, plus a quick 5-minute charge provides an additional 2.5 hours of music. Bluetooth 5.3 for stable and fast wireless connection CRYSTAL-CLEAR CALLS - Benefit from a high-sensitivity microphone with -38dB +/-1dB, ensuring clear voice transmission during calls, making these headphones ideal for both music and communication. SEAMLESS CONNECTIVITY - Equipped with Bluetooth V5.3, these headphones offer a stable and efficient wireless connection up to 33 feet (10m), ensuring uninterrupted audio streaming from your devices. RELIABLE SWEAT RESISTANCE - Designed with IP55 sweat resistance, these headphones withstand intense workouts and outdoor activities, protecting against sweat, moisture, and dust for lasting durability. ENHANCED COMFORT & FIT - Enjoy a secure and comfortable fit with the OpenRun Pro 2 Mini's lightweight, full titanium frame and ergonomic design, perfect for extended wear during any activity. Quick charge gives 2.5 hours of music in just 5 minutes