The lightweight and comfortable Trekz Titanium wireless stereo headphones are the safest alternative to traditional sport headphones and earbuds. Bone conduction technology, an open ear design and a suite of convenient features deliver premium music play and crystal clear calling without compromise. Designed with athletes in mind, Trekz Titanium are sweatproof, secure, and will allow you to hear your surroundings - no matter where life takes you. Allows you to hear the world around you and makes running, cycling and driving safer. A combination of waterproof design conformal coating and Nano techonology assures sweat resistance. 2 year warranty. No earpiece ear pieces. In-line controls. 15.3mm driver. Water-resistant. IPX5 water resistant. 10m range. Compatible with universal smartphones. Batteries required 1 x rechargeable battery (included) . Rechargeable battery. 6 hour battery life. 120 minute charging time. In the box: Carrying bag, Micro USB charging cable, Ear plugs, Manual and Warranty card. Model number: AS600OB. Manufacturers 2 year guarantee. Warning - Not suitable for children under the age of 3 years due to small parts and entanglement hazard.