Logitech H600 Wireless Headset - 2.4GHz Wireless Technology, Up to 10m Range, Flexible Rotating Boom Noise Cancelling Microphone, Fold and Go Design, Adjustable Headband, Headset: 40Hz -10KHz, Microphone: 200Hz-6.5KHz, On-Ear Volume Control, Rechargeable Battery, Nano USB Receiver, 1.2m USB Cable