Crafted from REGRIND Bamboo and natural wood fiber composite. Up to 8 hour battery life - additional 35 hours with charging case. Tactile buttons support play pause skip tracks take calls and more. IPX5 Rated sweatproof and weather resistant. Sport wings support a more secure fit for active lifestyles. Stereo voice communications let you hear and be heard. Case compatible with wireless charger. Marley app - gain more features and control. Includes: 3 Comfort ear gel sizes. 3 Comfort ear wing sizes. Charging case.