Open Ear Design Our Bone Conduction Headphones deliver premium sound through the cheekbones.In contrast to over-ear headphones, this wireless earphones make you a burden-free wearing. It can avoid some dangerous situations from happening as it ensure your both ears remain completely open to ambient sounds. Meanwhile, this bluetooth sport earbuds with microphone can achieve true clean and hygienic. Designed For Long Wear, Long Battey LifeOur Bone Conduction Headphones are lightweight and flexible to ensure maximum comfort during extended wear,ensuring true painless and harmless.Combined with a long battery life, this ergonomic design wireless earphones allow you to enjoy continuous music and calls for 12 hours at a time. Waterproof IPX7 - Upgrade the waterproof level, completely sweat and waterproof for workouts, fitness and running.Even though running outdoor while light rainy (Not suitable for swimming and soaking in water) Lightweight & Stable FitOur sport earphones weigh 30 grams, made of premium soft silicone material, keeps running relax, the open ear design helps you achieve the true painless and harmless as the earphone is no need to plug into the ear canal. With ergonomic surround and streamlined sinking design, the sports bluetooth headphones can keep on ear when running, dance, or wearing glasses. Premium Sound Quality and Wide CompabilityOur Bone Conduction Headphones offer you premier sound quality for any music genre and feature a built-in mic for hands-free phone calls.Bluetooth 5.3 technology, the transmission is more stable and no lag, it is compatible with your ios, android, tablets, macbook, laptops and so on.