deltaco gaming dh410 wireless gaming headset, 17 hr playing time, 2.4 ghz usb receiver, built-in 1100 mah battery, 50mm element, black stylish wireless gaming headset with a focus on sound, comfort and battery. it is equipped with 50mm large elements for a rich well-balanced sound and a large battery of 1100 mah to last up to 17 hours on a single charge. it connects with a low latency 2.4 ghz usb receiver for a hassle-free gaming experience. aluminum frame, adjustable headband and closed covers with a low weight provide ultimate comfort for longer gaming sessions. simple and flexible functions such as a detachable microphone, volume control and mute button for the microphone can be found directly on the headphone cover. the headphones also have a 3.5mm port with the included 3.5mm audio cord for a wired alternative.