Open Ear Sport Headphones Bass Directional Sound Transmission Wireless Bluetooth Headsets for Music, Sports, Running, Cycling, Hiking

Open audio design Updated air conduction technology delivers sound without the vibration of bone conduction. No need to insert earbuds deeply into the ear canal reducing discomfort and pain. This Opetec Race 4 is NOT a bone conduction headphone.Enhanced bass A special power amplifier chip and 14.2mm large unit provide pure and full bass creating a surround sound experience.Directional sound transmission Innovative snail-shaped sound chamber design provides directional sound transmission reducing sound dispersion and ensuring privacy.Dual device connection Connect to your laptop and mobile phone simultaneously and easily switch between them when you get a call.15-hour battery life and easy use Fast USB-C charging and combined touch and button control make for easy and convenient use. IPX4 waterproof rating adds durability.