Otium Bluetooth Headphones, Wireless Earbuds IPX7 Waterproof Sports Earphones with Mic HD Stereo Sweatproof in-Ear Earbuds Gym Running Workout 15 Hour Battery Sound Isolation Heads

IPX7 waterproof,Adopting highly sealed shell + nano-coating waterproof technology, its waterproof performance reaches IPX7 waterproof standard, and it is not afraid of sweat attack even if it is used in severe sports. Great for running, hiking, cycling, fitness, yoga, travel, gym etc.