The JPL-402S USB is a PC and Laptop compatible USB headset suitable for regular phone users. The headset has improved sound quality and features Surround Shield noise cancellation and an anti-static shock microphone for clear, crisp sound. The JPL 402s is lightweight and comfortable thanks to two 55mm leatherette ear cushions and the sure-fit fully adjustable headband. The headset connects to laptops and computers via a USB-A (standard) adaptor. JPL 402S Stereo USB Headset Features: USB-A Lead for PC / Laptop Connectivity Dual earpiece allowing users greater call concentration Left / right ear side compatible 270? adjustable microphone boom Surround Shield noise cancelling microphone Anti-static shock microphone Acoustic shock protection Clear crisp sound Wideband enabled speakers 55mm Leatherette ear cushions Ratchet style put and stay microphone boom Mid-weight headset, ~ 78g Sure-fit fully adjustable headband 12-month repair or replacement warranty