logitech's m650 wireless headphones are designed for the ultimate in style and comfort. The headphones feature a sleek design and comfortable ear pads. The ear cups fold flat for easy storage, and they can be stored in the included case when not in use. The m650 offers bluetooth connectivity, so you can easily connect to your phone, tablet, or laptop to listen to music or watch movies. The m650 is compatible with most devices and operating systems, including ios and android. It offers up to 20 hours of battery life on a single charge.