---
product_id: 175980612
title: "BT21 Baby wireless Silent Mouse by Royche (Cooky)"
brand: "bt21"
price: "¥4782"
currency: JPY
in_stock: true
reviews_count: 5
url: https://www.desertcart.jp/products/175980612-bt21-baby-wireless-silent-mouse-by-royche-cooky
store_origin: JP
region: Japan
---

# 20m wireless range for ultimate freedom Silent clicks for distraction-free focus Long-lasting AA battery power BT21 Baby wireless Silent Mouse by Royche (Cooky)

**Brand:** bt21
**Price:** ¥4782
**Availability:** ✅ In Stock

## Summary

> 🖱️ Silent, stylish, and wireless — the mouse your desk deserves!

## Quick Answers

- **What is this?** BT21 Baby wireless Silent Mouse by Royche (Cooky) by bt21
- **How much does it cost?** ¥4782 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/175980612-bt21-baby-wireless-silent-mouse-by-royche-cooky)

## Best For

- bt21 enthusiasts

## Why This Product

- Trusted bt21 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Subtle BTS Fandom:** Show off your love for BT21 and BTS with a stylish, low-key accessory that sparks conversation.
- • **Compact & Cute Design:** Sleek 113x64x31mm size fits perfectly in your hand and on your desk.
- • **Energy-Smart Auto Sleep:** Saves battery by auto-sleeping, so you stay powered longer without interruptions.
- • **Whisper-Quiet Productivity:** Silent click technology keeps your workspace peaceful and professional.
- • **Effortless Wireless Freedom:** Enjoy a 20-meter range that lets you move without limits or tangled wires.

## Overview

The BT21 Baby Wireless Silent Mouse by Royche combines ultra-quiet clicks with a 20-meter wireless range and energy-efficient AA battery use, all wrapped in a compact, BTS-inspired design perfect for millennial professionals seeking both function and fandom.

## Description

Buy

Review: Fue un regalo para una amiga y le encantó mucho, además que funciona muy bien. Es perfecto, me comprare uno yo también
Review: Love this mouse! It's super cute and adorable. I love showing my love for BTS in a subtle way. The mouse works super well, and it extremely quiet. I also like that it will turn off from time to time to save the battery, but with just a click, turns back on, and doesn't ruin anything.

## Features

- 🖱️ BT21 BABY WIRELESS SILENT MOUSE : BT21 and Royche Collaboration Wireless Silent Mouse
- 🔋 BATTERY : Uses One AA battery
- 🔇SILENT CLICK : Noise is not occer even when used in a quiet place.
- 📡 LONG WIRELESS RANGE : 20m, 66ft
- 📏 SIZE : 113 x 64 x 31 mm, 4.4 x 2.5 x 1.2 inch

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B082RC7CSR |
| Best Sellers Rank | 377,994 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 6,394 in Mice |
| Guaranteed software updates until | unknown |
| Item model number | RMS-BT21-BABY |
| Manufacturer | Royche |
| Product Dimensions | 11.18 x 6.35 x 0.1 cm; 55 g |

## Product Details

- **Brand:** BT21
- **Colour:** Pink
- **Connectivity technology:** Bluetooth
- **Movement detection technology:** Optical
- **Special feature:** Soundless, Wireless

## Images

![BT21 Baby wireless Silent Mouse by Royche (Cooky) - Image 1](https://m.media-amazon.com/images/I/318YtoER7kL.jpg)
![BT21 Baby wireless Silent Mouse by Royche (Cooky) - Image 2](https://m.media-amazon.com/images/I/41kYWdfvhqL.jpg)

## Questions & Answers

**Q: Is compatibly with iPad 12.9 5th generation?**
A: If you want to use it with Ipad, you must have an OTG cable lighting to usb.

**Q: Is it bluetooth which works with ipad air.**
A: Yes it's Bluetooth...

**Q: Do I need to replace the whole thing if I lost the usb dongle?**
A: Hi, We're glad to answer your question. Each mouse has only 1 USB component. If you lost it, you have to replace a new mouse.

**Q: Does this mouse have to be plugged in with usb cord to work with MacBook pro 2021**
A: HI, we're glad to answer you. This mouse has a USB component. If you want to connect with any Apple device, you should have a OTG lightning Cable.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***O on 9 November 2022*

Fue un regalo para una amiga y le encantó mucho, además que funciona muy bien. Es perfecto, me comprare uno yo también

### ⭐⭐⭐⭐⭐ Review
*by K***R on 18 April 2022*

Love this mouse! It's super cute and adorable. I love showing my love for BTS in a subtle way. The mouse works super well, and it extremely quiet. I also like that it will turn off from time to time to save the battery, but with just a click, turns back on, and doesn't ruin anything.

### ⭐⭐⭐⭐⭐ Review
*by J***Y on 12 November 2023*

Love this mouse. Excited to get set up to display and use

## Frequently Bought Together

- BT21 Baby Wireless Silent Mouse by Royche (Cooky)
- BT21 Official Baby Long Desk Pad (30.7 x 11.8 inch) by Royche
- BT21 Baby Multi-Pairing Bluetooth Wireless Keyboard My Little Buddy (RJ)

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**Shop now:** [https://www.desertcart.jp/products/175980612-bt21-baby-wireless-silent-mouse-by-royche-cooky](https://www.desertcart.jp/products/175980612-bt21-baby-wireless-silent-mouse-by-royche-cooky)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-04*