Model Number: RKAJ26R Brand Name: Rayking Key Specifications/Special Features: Headset microphone details:Speaker:Sensitivity:113±3dB(at178mV1KHz)Impedance:150±5Ω(at 1KHz)Frequency response:100Hz-10KHz

Speaker distortion factor: ≤5%(at178mV 1KHz)

Speaker dimension: 28mm

Microphone sensitivity: -44±3dB(2.0V,2.2KΩ,1KHz)

Microphone dimension: 6x2.7mm

Consumption current:100-500uA

Color: black

Product name: double ear retractable headset microphone with crystal head

1. 3.5mm computer PC double plugs
2. RJ gold-plating 3U crystal head.

• Avoid producing current sound

3. QD connection

• Protect telephone connect
• Convenient for plug in use

4. USB connection

• Metal shell
• Fashionable and durable