Waterproof Standard
IPX-3
Battery Indicator
Digital Display
Wireless delay time
Wired
Place of Origin
Fujian, China
Product name
FBI Earpiece
Keyword
air tube earphone,air earphone,2 pin earphone
Feature
Headphone with PTT and Mic, Breathable
Speaker Impedance
16ohm retractable earphone with ptt and mic
Contact resistance
Less than 0.02 Euro
Speaker Sensitivity
15dB,1kHz
Microphone Impedance
2.2k