Allow your ears to stay open while you enjoy music with the BoneTalker Adder Bone Conduction Bluetooth Headphones. Utilizing bone conduction technology, this device transmits audio via your cheekbones so you can remain aware of your surroundings. Weighing around 1.2 ounces, BoneTalker is lightweight and comfortable to wear for hours on end. Thanks to its ergonomic design, the bone conduction Bluetooth headphones also offer comfort and stability. Similarly, the titanium spine makes the headphones durable and flexible. Specially tuned, it minimizes vibrations to maximize comfort. Using Bluetooth 5.0 connectivity, the headphones provide longer working range, better signal, and easy device pairing. With an IP56 rating, they are weatherproof, waterproof and can repel dust, sweat, and moisture. Offering four hours of play time on a single charge, the BoneTalker Adder headphones keep the music going.