Telephone Headset Noise Reduction BT 5.3 Monaural Telephone Headphone Business
Feature: 1. 5.3 Technology: With the latest 5.3 technology, the headset ensures a stable connection with no sign interruptions, enjoy seamless wireless music streaming. Microphone Impedance: 1KΩ. Microphone Response Frequency: 10 to 28000Hz.