The HamiltonBuhl MS2G-AMV headset with gooseneck microphone and TRRS plug is the perfect companion to any of your Apple devices, tablets, Chromebooks or almost any mobile device. Designed for use with Mac or PC, MS2G-AMV features an adjustable gooseneck microphone, foam ear cushions, and easy-to-wear adjustable headband. Built tough, in a lightweight design, each headset comes in its own heavy-duty, write-on, moisture resistant, reclosable anti-lice storage bag. When sealed in the bag, lice are killed in 24–48 hours, without the use of chemicals All of these features allow for fatigue-free use, in and out of the classroom and make the MS2G-AMV an ideal headset for testing! Specifications: Headphone:Adjustable headbandEar Cushions: Replaceable foam ear cushions27mm Speaker DriversFrequency response: 50-16,000 HzImpedance: 32ΩSensitivity: 105dB ±4dBInput: 100MVCompatible with: iPods, iTouches, MP3 players, iPhones, cell phones, iPads, tablets, eReaders PCs and Macs CD players, stereos TVs Most gaming systemsPlug: 3.5mm TRRS plugCord: 4' Dura-Cord – a chew-resistant, PVC-sleeved, braided cord for long-term durability and reliabilityProp 65 CompliantMicrophoneOmnidirectionalSteel-reinforced gooseneck microphoneSensitivity: -36dB ±3dBFrequency Response: 50-16,000 HzImpedance: 2,200Ω