Cool For School Favoritz™ Headsets With In-Line MicrophoneThe HamiltonBuhl Favoritz™ line of headsets are cool for school. The latest design has a sleek appearance and offers rugged durability for everyday use. Kids and adults will be proud to sport our newest mid-sized headset to use with their tablet, computer, mobile device, almost anything. Ideal for classroom, individual use and testing. Specifications:• Speaker Drivers: 40mm• Impedance: 32?• Sensitivity: 105dB±4dB• Frequency response: 50-20,000 Hz• In-Line microphone• Cord: 5' Dura-Cord™ - chew-resistant, PVC-jacketed, braided nylon• 120° angle with 3.5 mm TRRS stereo plug• Prop 65 Compliant• In-Line Mic Button Functions• Smartphone/Tablet PC• Press & Release - Call answering/Call ending/Media Player Play & Pause• Press & Hold – Mute/Activate Voice Control Assistance (ex.: Siri)• Laptop PC/Desktop PC/Chromebook PC:• Press & Release – Does not control any functions• Press & Hold – Mute while communication apps are running (ex.: Vonage, Skype, Zoom, Etc.)