***OPEN BOX*** Product details Top Highlights Brand NANK Color Red Ear Placement Open Ear Form Factor Open ear Impedance 40 Ohm Noise Control None Experience top-tier sound quality: Nank Runner Neo redefines audio excellence with Vibrator 3.0 technology, increasing the vibrator's area by 55% and output solution, elevating music with a more immersive and intelligent sound quality boost of 57%. Open-ear bone conduction design: Nank Runner Neo, the cutting-edge bone conduction headphones, liberates you from traditional earbuds during workouts. Transmitting audio through your cheekbones, bone conduction ensures authentic sound while keeping you connected and aware of your surroundings. Extended playtime & Wireless charging: Enjoy up to 10 hours of non-stop music with Nank Runner Neo's long-lasting battery life. Our innovative wireless charging feature fully charges the headphones in just 2 hours, providing uninterrupted use for all your outdoor activities. IP66 waterproof rating: Naenka bone conduction sports headphones boast IP66 waterproof certification, guaranteeing sweat, moisture, and dust resistance. Embrace high-quality music even on rainy days, whether indoors or outdoors. Ultimate comfort designed for you: Weighing merely 0.9 ounces, Nank Runner Neo's titanium alloy neckband offers flexibility and lightness for optimal comfort during extended wear. Wrapped in skin-friendly silicone, these headphones ensure a pleasurable experience.