VELATEMOR h87269w4at-11 Wired Headset

How to use: Plug and Play Specification: Item Type: Test Headset Product material: ABS, PU Microphone: Microphone size: approx 9.7 x 4.5mm / 0.4 x 0.2 inch Directivity: Super Cardioid Unidirectional Sensitivity: 50 ± 3db S / N radio:> 55dB Impedance: ≤ 2.2 k Ω Length of the microphone rod: Approx. 23 cm / 9.1 inches Loudspeaker: Diameter: Approx. Ø40mm / 1.6in Impedance: 32Ω ± 15% Frequency response: 20Hz 20kHz Output sound pressure (S.P.L): 96dB ± 3db Connector type: USB2.0 High Speed Product size: Approx 17.5 cm / 6.9 inches 19.5 cm / 7.7 inches 9 cm / 3.5 inches Package list: 1 x headphones 1 x user manual