SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection

SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection
SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection
SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection
SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection
SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection
SIZHENG 3 5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting in CCTV Microphone from Security Protection

Product Specification

Model Number: HP-DK30

Brand Name: SIZHENG

Use: For Computer/ PC Laptop

Sensitivity: -37dB+/-3dB

Installation Type: Desktop

Input Plug Diameter: 3.5mm

Is there a wire: Yes

Sound Channel: Mono

Color: Black

Product Size: 47*47(mm)

Place of Origin: Guangzhou,China



SIZHENG 3.5mm jack video conferencing microphone for PC Laptop Notebook Skype WhatsApp chatting

 Key Features of SIZHENG HP-DK30 computer microphone 

1.Metal protective cover, electrophoretic technique,  green environmental protection.

2.Food grade polyethylene base, piano stoving varnish, the color will never fade.

3.High quality connector, Strong signal. Sound pickup in 3 meters.

4.Black vulcanized rubber base, with automotive interior materials, solid non-slip base design, don't have to worry about accidentally slide down and broken.

5.Widely used in work, entertainment, family and a variety of places. Such as remote communication, audio & video conferencing, QQ or YY or Skype voice chat and playing games etc.

6.The essential microphone for game voice. Convenient communication without holding a microphone.

 Specifications of SIZHENG HP-DK30 computer microphone 

Items Performance Metrics
Model HP-DK30
Use For Computer/PC Laptop
Microphone America KABONI electret condenser microphone
Sensitivity -37dB+/-3dB
Frequency Range 100-10000Hz
Maximum Sound Pressure 60dB
SNR 70dB 1kHz at 1Pa
Input Plug Diameter 3.5mm
Is there a wire Yes
Wire Length  About 1.5 meters
Directional Property Omnidirectional
Sound Channel Mono
Installation Type Desktop
Color Black
Product Size 47mm*47mm


 Product Photos                          


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 Attention Please:                            

1. SIZHENG Brand Anti-counterfeit:

There are a large number of users complained a lot of undesirable businessmen who use similar appearance of "Cheap Copy Products" to simulate SIZHENG TECHNOLOGY audio monitoring products. We hereby declare: Sizheng Technology is the only SIZHENG trademark and patent holder and the manufacturer, our all audio monitoring products with anti-fake label, please pay attention to identify.

2. Feedback and Problem:

If you have any questions about our products or order, frst of all, please feel free to contact us. We will do our best to solve your problem. Please do not give us negative feedback without any communication or without recieving the products. We are business man with serious & sincerely to cooperate. So we hope you are a kind man too.Thanks. 


1.We promise warranty for   36 months   for COTT series,12 months for SIZ&QD series. If it is man made damage, you will pay for the cost charge.

2.If you are not satisfied with our products, you may return the goods for exchange but please communicate with us before return. The shipping and handling charge is not refundable and you should pay for all the charges of returning and reshipping.

3.All return itemd must be in good condition, and they must be under resalable condition.


1.We will send the goods within 7 working days after your payment is verify by Aliexpress.

2.Our free shipping only included China post air mail, and the weight should be within 2KG. Please notice the China post air mail are slowly. If the weight over 2KG, you should responsible for the shipping cost.

3.If you want to send by EMS, DHL and UPS, you should pay for the shipping cost.

4.You will trace the goods online after sending the goods 3-7 working days.

5.Please check your goods on the shipping company when you receive the goods.




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