USB 21 Keys Electrostatic Capacity Programmable Keyboard with Electrostatic Capacity Key Switch (KB21U)

• Connection Type: Wired
• Wireless: Wired
• Application: Desktop
• Interface: USB
• Working Principle: Mechanical
• Shape: Standard
• Model NO.: KB21U
• Key Technology: Mechanical Axis
• Product Positioning: Mechanical Keyboard
• Key Numbers: 21
• Text Input: Single Bond
• Interface / Power: USB / +5VDC + 10% / < 200mA
• Key Force (Peak Load: 45 + 5cn
• Total Travel Distance: 4 + 0.5mm
• Cable: USB Cable Stored on The Back
• Software Compatibility: Support USB Programming in Window Me/ 9X/2K/ XP/7/
• LED Indicator: Number Lock,Layer and Buzzer
• Transport Package: Carton
• Specification: 131 (L) x 89 (D) x 37 (H) mm, 250 g (NW)
• Trademark: HCCTG
• Origin: China
• Production Capacity: 999units/Month

Product Description

USB 21 Keys Electrostatic Capacity Programmable keyboard with Electrostatic Capacity Key Switch (KB21U)
 

Features

1.All key is program to many char, up to 3 layer, and the programming data is
saved forever.
2.Support Win9X, Win2000, WinXp, Win7, Win8, Win10, Linux, Dos system.
3.Backlight switch and layer exchange operation as shown figure 1.The
lower-left corner of independent lamp is layer indicator. Off is first layer; On is
second layer; Breathe is three layer.

Specification

Physical characteristics
Keys	21 Keys
Weight	250g
Dimensions (L*W*H)	131*89*37mm
Route	4±0.5mm
Electrical characteristics
Interface	USB 2.0 Full Speed
Supply Voltage	DC 5V ±5%
Supply Current	≤100mA
Key switch jitter time	≤5ms
Withstand voltage	500V/50HZ
Keyboard characteristics
Key pressure	45±5cN
Key life	30,000,000 times(No physical contact)
Environmental characteristics
Working temperature	0ºC~ +50ºC
Storage temperature	-20~ +55ºC
Working Humidity	10%~90%
Atmospheric pressure	86~106 kPa

Detailed Photos

Our Advantages

FAQ

 

1. Are you manufacturer?
Yes, we are manufacturers. We have been in PC/POS/Mobile Payment product & Solution since 2008.

We can provide OEM / ODM customized service according to our customers` various application and demands.

2. Would you provide SDK for me?
Yes, we offer free SDK if you order sample. All the contents in a CD ROM with sample together.

3. What warranty for the products?

According to our warrantypolicy, we will provide 12 months warranty time from the shipment date for our all products (Excluded the consumable parts).

As for the mass order, we will provide certain proportion spare parts or RMA machine for local service.

4. What is the minimum order?
We accept one piece for standard products. If require OEM, will see detailed requirements and confirm MOQ to you from our sales department. 

5. Can we get the free sample?

Sorry, generally we would not provide the free sample. If the customer confirm the specification and price, they can order the sample firstly for the testing and evaluation.

When they place the mass order, we can return the sample cost to the customers.

6. Do you accept Paypal?
Yes, we accept paypal. Besides, we accept Western Union, T/T, L/C Secure payment (Escrow Service from Alibaba)  and so on.

7. What's the delivery time?
Generally, sample can be shipped in 2-3 working days after payment. For quantity, theleading time will be 1-4 weeks depend on exact quantity.

 

8.Which way to deliver the goods?

By Express: DHL UPS TNT FEDEX or ARAMEX EMS E-packing.

By Sea: Inform us the Sea Port to check which ship line.

By Air: Inform us the Airport to check which flight.

Or pick up by the customers.

 

9. What the after sale service?

a. Our all products will provide 12 months warranty;

b. Enough stock spare parts for guarantee;

c. Professional engineers provide 7*24 online service; If required, our engineers can provide local service in field;

d. As for the returned failure products, we will fix it and return to the customers in one week after we received it;