LENOVO Go USB-C ANC In-Ear Headphones 80008028 4XD1C99220 Product Description: Lenovo Go - headset Product Type: Headset - wired - USB-C Recommended Use: Conference Colour: Thunder black Headphones Form Factor: In-ear Connectivity Technology: Wired Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 100 dB +/- 3dB Impedance: 32 Ohm Active Noise Canceling: Yes Microphone: On-cable Microphone Operation Mode: Omni-directional Microphone Noise Cancelling: Yes Controls: Volume, answer/end, microphone on/mute, play/pause, ANC on/off, Microsoft Teams button Software Certification: Certified for Skype for Business, Certified for Microsoft Teams Manufacturer Warranty: 1-year warranty Designed For: K14 Gen 1; ThinkCentre M60q Chromebox; M70q Gen 3; M70s Gen 3; M70t Gen 3; M75t Gen 2; M80q; M90s Gen 3; ThinkCentre neo 70t; ThinkPad E14 Gen 3; L14 Gen 1; L14 Gen 2; L15 Gen 3; P15v Gen 3; P16s Gen 1; X1 Nano Gen 2; X13 Gen 3; ThinkStation P358