Jaracom 3.5mm headset/Corded Headphones/Telephone Headset/Cellphone Headset/Call Center phone and headset/PC microphone headset/Skype headset/PC headset/Wired headphone/Stereo headphone/Computer headset is designed for Smart phone, Mobile phone, PC computer, Laptop, Tablet, Walkman, Portable Music Player, MP3/4, or other devices with 3.5mm port. Premium Noise Cancelling Microphone filter out the dreadful noise and transmit crystal clear voice. Human Centered Design enables to wear the headset for a long time without any pressures. Quick Disconnect Plug & 6.7 foot cable provide more conveniences and flexibility. Excellent Compability with Microsoft Teams, Lync, Skype for Business, Lync, Skype, Zoom, 3CX, AVAYA and most leading Softphones or UC softwares. Portable Ultra Lightweight and Swivelling Earcups make it easy to storage. Durable Deisgn and Worry-Free Warranty(24 months) High-end material created our Long Lasting Headset. Super long warranty period is a promoise. Features: Cable Jack(Headset Top): Quick Release with Shielded Wire, also can match with Jabra Headset adapter. Accessory:Quick Disconnect plug with headset top, 3.5mm Jack with the End Device. Speaker Drive Style: Dynamic(Moving-Coilded) Frequency Response: 300HZ-3.4KHZ ASP(Acoustic Shock Protection) Microphone Directivity: Cardioids Bi-directional(Noise-cancellation) Frequency Range : 100HZ ? 10KHZ Sensitivity:-48 ±3dB (0dB=1V/Pa, 1 KHz)