Teeline H30D USB Over-Ear Call Center Headset Noise Cancelling IPX2 Waterproof Control Mode Mic for Computers Mobilephones

BT wireless：no brand name：Teeline place of origin：Guangdong, China Control Mode：Yes Headphone Form Factor：Over Ear interface type：USB material：ABS+Leather private mold：Yes, Yes waterproof standard：IPX-2 Product name：H30D Call Center Headset Feature：Noise Cancelling Frequency Range：20Hz-20KHz Nominal Impedance：26Ω±15% Microphone sensitivity：-38±3dB Headset sensitivity：117.5±3dB(0dB=20uPa) At 1KHz Sound distortion：≤3% Usage：PC/MP3/Mobilephone/Tablet/Laptop/Audio Devices

BT wireless: no brand name: Teeline place of origin: Guangdong, China Control Mode: Yes Headphone Form Factor: Over Ear interface type: USB material: ABS+Leather private mold: Yes, Yes waterproof standard: IPX-2 Product name: H30D Call Center Headset Feature: Noise Cancelling Frequency Range: 20Hz-20KHz Nominal Impedance: 26Ω±15% Microphone sensitivity: -38±3dB Headset sensitivity: 117.5±3dB(0dB=20uPa) At 1KHz Sound distortion: ≤3% Usage: PC/MP3/Mobilephone/Tablet/Laptop/Audio Devices