ITEM NAME:Motorcycle Bike Headset Earpiece Mic PPT For Kenwood BaoFeng PuXing Description: 2 pin Moto Motorcycle Bike Helmet Earpiece Headset Mic Microphone PTT for Kenwood Wouxun Puxing Radio Security Designed to work with moto/bike racing helmet Anti-noise microphone in the ear can transfer your voice to your partner clearly and it will not affected by the noisy Dual speakers with sticker, can be pasted to inside of the helmet PTT button which can be fixed to handlebar is convenient to use Specification: Cable length:1.5m Impedance: 32ohm Frequency range: 20-20KHz Sensitivity: 110dB  ± 3dB Maximum output power: 50mW Microphone Impedance: 2.2Kohm  ± 30% Frequency range: 20-16000Hz Sensitivity: -58dB  ± 2 dB (0 dB = 1V / Pa, 1KHz) Package Includes: 1 Piece 2 PIN Helmet Motorcycle Headset Earpiece SKU: ALU0034258568000381.Anti-noise microphone in the ear can transfer your voice to your partner clearly and it will not affected by the noisy. SKU: ALU0034258568000381. Impedance: 32ohm. Sensitivity: -58dB  ± 2 dB (0 dB = 1V / Pa, 1KHz).