Logitech H600 Wireless Headset

Brand: Logitech Color: Black Ear Position: Over-ear Style: Over-ear Impedance: 30 ohms Noise Control: Active Noise Cancellation Headphone Port: USB Model Name: 981000341 Connectivity Technology: RF Wireless RF Wireless Technology A compact, in-ear nano receiver is always ready to use. Simply plug it into a USB port once, and you're good to go. Laser-tuned speakers reduce distortion, allowing you to enjoy clear calls and stereo sound, while a noise-canceling microphone minimizes ambient noise. Move freely up to 10 meters (33 feet) from your computer thanks to reliable wireless connectivity (actual wireless range varies depending on usage, settings, and environmental conditions). The 6-hour rechargeable battery lets you chat and listen longer, whether you're at your desk or on the go. (Actual battery life varies depending on usage, settings, and environmental conditions. Rechargeable batteries have a limited number of charge cycles.) Enjoy complete comfort with the adjustable headband and foam ear cushions on these headphones.