K-011-curve D shape earphone Spring Headphones Applicable To Baofeng, Jianwu

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