Comfortable re chargeable stereo headset for pcs tablet pcs and smart phones with bluetooth or usb connection practical control elements at the headset for changing the devices up to 12 meters range rechargeable battery with up to 6 hours of continuous play laser tuned drive coils and in built equalizer for digital stereo sound with winzigem usb nano receiver and can be folded for travelingtiny usb nano receiverthe receiver of the logitech wireless headset h600 is so tiny that it can re