Parameter:
PTT shell: plastic material; ABS;
Wire: PU (conductor 18/0.08 paint + 2500 nylon wire + 1 cotton); wire straight weight 200g, swing color 60 degrees, 35 times per minute, life: 50K times or more.
Speaker: impedance 8 ohms, maximum power 500mW.
Microphone sensitivity: -40dB
Impedance: 2.2K
Tact switch: Action force 250g, contact resistance is less than or equal to 0.03 Euro
Lifetime: over 100,000 times
Package Includes :1* Earphone
