YUNZII C21 Wireless Mechanical Numpad Keyboard & Calculator
YUNZII C21 Wireless Mechanical Numpad Keyboard & Calculator - Pink / YUNZII Candy Linear Switch is backordered and will ship as soon as it is back in stock.
Care information
Care information
We provide a one-year warranty service. After-sales emails are typically responded to within 2 business days. support@yunzii.com
Delivery and Shipping
Delivery and Shipping
Orders ship within 2 business days. Free global standard shipping: 6-15 business days. If you need faster shipping, please choose expedited shipping for faster delivery. Times may vary due to customs. Visit Discord for details. Shipping Policy
How much does shipping cost?
We have two shipping methods - Standard Shipping and Express Shipping.
Standard Shipping is free for most countries/areas. When your order is over $45, then we can ship you with free standard shipping.
Express Shipping via Yunexpress Expedited, FedEx, UPS, DHL, etc. Expedited is 25 USD.
Shipping fees exclude import taxes or processing fees applicable to your country. YUNZII is not responsible for any form of such fees. Should you refuse to pay the tax/customs fees, shipping fees will still be deducted from the amount paid for the returned parcel. For parcels that have been destroyed instead of being returned to us, no refund will be processed.
Standard Shipping via YunExpress is a tax-inclusive option for some countries. However, YUNZII will not be responsible for additional administrative or handling fees charged by your local courier company or customs.
For certain remote areas, there may be additional charges via Standard Shipping or Express Shipping. We will contact you if there is a need to.
Please contact us before placing an order, should you have any queries regarding shipping.
How long does it take to receive the order after it is placed?
For in-stock products, your order is expected to be shipped within 3 working days. Customized items take a longer time (do check in with our staff for more information). On normal non-sale days, once your parcel is shipped:
- For Standard Shipping, it takes about 2-3 weeks for items to be delivered after it is shipped. For some countries, it might take up to 2-3 months, depending on your country and its custom procedure. The duration of transit is beyond our control. YUNZII does not arrange refunds for such cases. Please consider an upgrade to the Express Shipping method or keep the waiting time in mind.
- For Express Shipping, it takes about 3-7 days for items to be delivered after it is shipped.
Note:
Shipping methods and periods might be affected and changed due to festive seasons, pandemic circumstances, or other unforeseen circumstances.
What happens if the parcel has been shipped but not delivered?
First, kindly contact your local courier using the local tracking number.
- For orders below 45 USD, you may either opt for a one-time reshipment of the parcel OR a full refund.
- For orders above 45 USD, we only process a 50% refund of your order.
Should there be any concern about Standard Shipping, you are encouraged to opt for Express Shipping instead.
Customers are to bear the consequences and fees incurred if the parcel is undelivered due to any of the following situations:
- Wrong/insufficient address or phone number provided by the recipient
- The recipient is unreachable when the courier company tries to contact
- Refusal to sign for the package by the recipient
- Lost or damaged parcel because recipient opted for “no-signature delivery”
- Refusal to pay for the local tax/processing fee by the recipient
- Refusal to provide supporting documents for customs clearance by the recipient
Who does pay for the import tax/customs fees?
Customers have to bear any form of custom/import/processing fees that are applicable to their parcel.
If the customs fees and the delivery of the parcel are rejected by the recipient, the shipping cost still needs to be paid. YUNZII only arranges the refund of the order amount after deducting the shipping cost incurred.
How do I get help with my order?
For faulty/missing items, please email support@yunzii.com to claim the warranty. In your email, please choose an appropriate Subject Title, kindly include your Order Number, and state your issue clearly. Please also attach photographs/videos as “proof”, if any. Our team aims to review your email within 3 working days.
Cancellation or/and modification of orders can only be done manually via our staff, provided that our Warehouse Team has not processed your order. As our Support Team might not be available during non-working days and weekends, please place your order wisely. Should you really need to cancel or/and modify your order after purchase, please contact us via our support email (support@yunzii.com) or website chat. We will help you with the changes if that can be done.
For other queries, the fastest way to contact us is via our website or Discord
Do I get tracking details for my order?
After placing an order, you will receive the order confirmation email. After your order is shipped, you will also receive a tracking email. You can track your order via the tracking number online. Should you not have received the emails or face any difficulties tracking your order, please kindly contact us for support.
What shipping companies do you use?
We collaborate with 4PX, UBI, SF Express, Yun Express, BTY, FedEx, UPS, and DHL Express.
Payment & Security
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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YUNZII C21 Wireless Mechanical Numpad Keyboard & Calculator - Pink / YUNZII Candy Linear Switch is backordered and will ship as soon as it is back in stock.
- Product Description
- About this item
- Specifications
Cute Cake Keyboard 20% Layout
The new YUNZII C21 cute mechanical numpad series brings a sweet touch to your desk with its colorful design and included detachable plush tail. As the perfect numeric companion to the C75 series, it shares the same adorable look and high-quality build. Featuring a compact 20% layout with 18 keys and a built-in TFT screen, tri-mode connectivity, and a creamy typing feel, this cute wireless numpad is a charming addition to any home, office, or gaming setup. The detachable tail hook lets you DIY your own style, making it a delightful gift for mechanical keyboard lovers.
2-in-1 Numpad & Calculator with Built-in Game
The C21 mechanical keyboard is both a mechanical numpad and a standalone calculator. Switch modes with one key and handle everyday math right on your desk — no need to open a calculator app on your phone or computer. It's a handy tool for accountants, bookkeepers, and anyone in financial accounting, making data entry and quick calculations faster and easier. It also features a TFT screen with a built-in Snake game, supports custom animations and GIFs, and displays time, date, and connection status by default.
Creamy Typing with Gasket Mount
The C21 cute number pad keyboard is built with a gasket-mounted structure, an optimized sound package with multiple sound-absorbing foam layers, and silicone padding, paired with pre-lubed SAGE and Candy linear switches. This combination softens every keystroke, reduces hollow noise, and creates a smooth, creamy typing sound with a soft, bouncy feel. The hot-swappable sockets support both 3-pin and 5-pin mechanical switches, so you can easily swap switches to match your preferred typing feel. The C21 number pad delivers both good looks and solid performance.
Tri-Mode Connectivity & Multi-Device Support
The C21 wireless numpad supports Bluetooth, 2.4GHz wireless, and wired Type-C connections, allowing you to easily switch between up to 5 devices. Simply plug in via USB, pair via Bluetooth, or use the 2.4GHz dongle, and it's ready to go with your laptop, tablet, or smartphone. Compatible with Windows, Mac, Linux, Android, and iOS — no driver installation needed. Whether you're crunching numbers in Excel on a PC, entering data on a Mac, or managing spreadsheets on a tablet, the C21 wireless keyboard adapts instantly.
Per-Key RGB & Customizable Numpad
The C21 customer keyboard comes with front RGB lighting and side ambient lighting with a frosted finish. You can switch lighting effects quickly with keyboard shortcuts, or dive into the web driver to customize per-key RGB, choose from nearly 20 preset effects, or create your own. You can also remap keys, configure Fn layers, and save custom layouts to fully adapt the numpad to your workflow. Gaming, data entry, creative work — switch anytime, match anytime.
Long-Lasting Battery & Durable Keycaps
The C21 mechanical numpad is equipped with a 2500mAh battery, far outlasting standard numeric keypads, providing long-lasting use on a single charge with no need to recharge frequently. Whether for work, gaming, or everyday number input, it stays with you all day. Paired with PBT dye-sublimation MOA keycaps for comfortable typing and fade-resistant legends, the C21 is built to last.
Product: YUNZII C21
Type: Tri-Mode Wireless Custom Mechanical Numpad Keyboard & Calculator
Layout: 20% Layout, 18-Key, and 1 TFT Screen
RGB: South-facing RGB and Side-Light
Color Choices: Pink, Beige, Purple, Coffee
Switch Choices: YUNZII Candy Linear Switch/YUNZII Sage Linear Switch
Modes Supported: Keyboard Mode, Calculator Mode, Gaming Mode
Structure: Gasket Mounted
Battery: 2500mAh
Connection: 2.4G Wireless&Wired Type-C&Bluetooth
Size of Product: 98.3*152.56*38.9mm/3.87*6.01*1.53inch
Screen Aspect Ratio: 428*142px
Weight of Product: 250±10g/0.551±0.022lb
Keycaps: Dye-Sublimation PBT MOA Profile Keycaps
Hot Swappable: Full-key hot-swappable, supports 3-pin or 5-pin mechanical keyboard switches.
Customization: Supports Windows and macOS dual-system software and online website customization.
NKRO: YES
Frequently Asked Questions
Shipping
What countries do you ship to?
What countries do you ship to?
We currently ship to the United States, Canada, Australia and the UK. To enquire about shipping to a different destination, please contact us.
How long will it take to receive my order?
How long will it take to receive my order?
Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).
Returns and Refunds
How do I return a product?
How do I return a product?
Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.
How long will it take to receive my refund?
How long will it take to receive my refund?
Refunds are processed within 7 days from when we receive the item(s).
