---
product_id: 748272453
title: "Mr. Pen- Mechanical Switch Calculator"
brand: "mr. pen"
price: "HK$98"
currency: HKD
in_stock: false
reviews_count: 5
url: https://www.desertcart.hk/products/748272453-mr-pen-mechanical-switch-calculator
store_origin: HK
region: Hong Kong
---

# Auto power-off battery saver 12-digit large display Mechanical switch keys Mr. Pen- Mechanical Switch Calculator

**Brand:** mr. pen
**Price:** HK$98
**Availability:** ❌ Out of Stock

## Summary

> ⌨️ Crunch numbers with style and precision — your desk’s new MVP!

## Quick Answers

- **What is this?** Mr. Pen- Mechanical Switch Calculator by mr. pen
- **How much does it cost?** HK$98 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/748272453-mr-pen-mechanical-switch-calculator)

## Best For

- mr. pen enthusiasts

## Why This Product

- Trusted mr. pen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **See More, Do More:** Large 12-digit LCD display ensures clear visibility from any angle, reducing eye strain.
- • **Compact Powerhouse:** Sleek 6.2 x 4.4 inch design fits perfectly on any desk without sacrificing usability.
- • **Smart Energy Saver:** Automatic shutdown after 10 minutes of inactivity extends AAA battery life for uninterrupted use.
- • **Precision at Your Fingertips:** Mechanical switch keys deliver a tactile, satisfying click for error-free data entry.
- • **Versatile Everyday Calculator:** Equipped with memory recall, percentage, and essential functions to handle all your calculation needs.

## Overview

The Mr. Pen Mechanical Switch Calculator combines a responsive mechanical keyboard feel with a large 12-digit LCD display, housed in a compact design. Perfect for office, school, or home use, it features essential functions like memory recall and percentage calculations. Its smart auto power-off feature conserves battery life, making it a reliable and efficient tool for fast, accurate everyday calculations.

## Description

Mr. Pen- Mechanical Switch Calculator : desertcart.in: Office Products

Review: Perfect!
Review: Nice Desk Calculator

## Features

- Mr. Pen 12-digit calculator is perfect for completing basic numerical calculations, making it ideal for office, primary school, market, or even home use. It features big, sensitive keys that are easy to press down and offer quick data entry.
- The mechanical switch buttons offer a responsive and satisfying click with each press, similar to a mechanical keyboard, improving the overall user experience and precision of data entry. Equipped with essential functions like memory recall, percentage calculation, and more, it meets a variety of computational needs.
- Mr. Pen calculator is portable and small in size at 6.2 x 4.4 inches, so it doesn't take up much desk space but is still comfortably sized for easy usage. It also has a large 12-digit display, increasing its visibility from any angle.
- Operating on just one AAA battery (not included), this calculator is designed with an automatic shutdown feature that activates after 10 minutes of inactivity, conserving battery life and ensuring longevity.
- Mr. Pen calculator is the perfect tool for quickly dealing with everyday calculation problems in various settings such as schools, offices, or even at home! It offers a fast, efficient, and user-friendly experience that makes it an ideal choice for anyone looking for a reliable calculator.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CMT6F6WZ |
| Brand | Mr. Pen |
| Brand Name | Mr. Pen |
| Calculator Type | Standard Function |
| Colour | Purple |
| Customer Reviews | 4.5 out of 5 stars 336 Reviews |
| Display Type | LCD |
| Item Height | 0.1 Centimeters |
| Manufacturer | Mr. Pen |
| UPC | 840316923927 |

## Product Details

- **Brand:** Mr. Pen
- **Calculator Type:** Standard Function
- **Colour:** Purple
- **Display Type:** LCD
- **UPC:** 840316923927

## Images

![Mr. Pen- Mechanical Switch Calculator - Image 1](https://m.media-amazon.com/images/I/71Ar0-529qL.jpg)
![Mr. Pen- Mechanical Switch Calculator - Image 2](https://m.media-amazon.com/images/I/71jPF6+wSFL.jpg)
![Mr. Pen- Mechanical Switch Calculator - Image 3](https://m.media-amazon.com/images/I/810bBdECH7L.jpg)
![Mr. Pen- Mechanical Switch Calculator - Image 4](https://m.media-amazon.com/images/I/81IOZBcg+KL.jpg)
![Mr. Pen- Mechanical Switch Calculator - Image 5](https://m.media-amazon.com/images/I/81REvjhdAJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect!
*by L***F on 9 January 2026*



### ⭐⭐⭐⭐ Nice Desk Calculator
*by L***3 on 7 December 2025*



### ⭐⭐⭐⭐ Pretty Good
*by K***R on 29 October 2025*



## Frequently Bought Together

- Mr. Pen Mechanical Switch Calculator - 12 Digits, Large LCD Display, Purple, Big Buttons
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**Shop now:** [https://www.desertcart.hk/products/748272453-mr-pen-mechanical-switch-calculator](https://www.desertcart.hk/products/748272453-mr-pen-mechanical-switch-calculator)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-05*