Review of the 'MA-WBIRS635BK' wireless mouse, which speeds up your work by allowing you to scroll freely up, down, left, and right with its two wheels.
The MA-WBIRS635BK Bluetooth wireless mouse, released by Sanwa Supply in February 2026, is a mouse that makes scrolling incredibly convenient, featuring a tilt wheel that allows for both vertical and horizontal scrolling, and a side wheel specifically for horizontal scrolling. Since it's advertised as an item that speeds up PC work and web browsing, I decided to try out the MA-WBIRS635BK myself.
MA-WBIRS635BK [Bluetooth Wireless Mouse (with High-Speed Scrolling, Tilt Wheel, and Side Wheel)] A Bluetooth wireless mouse equipped with high-speed vertical scrolling and tilt and side wheels for horizontal scrolling. | Sanwa Supply Co., Ltd.
The packaging for the MA-WBIRS635BK.
The package contents include the mouse itself, a receiver, and a USB-C cable for charging.
The MA-WBIRS635BK is a rechargeable wireless mouse, a large (L-size) mouse with a shape that fits comfortably in the hand.
The dimensions are 76.5mm wide x 116mm long x 43.7mm high. Here's a size comparison with a transit IC card.
Here's what it looks like when an adult man actually places his hand on it.
The actual weight was 106g.
The buttons on the top are the left and right click buttons, the scroll wheel, a mouse sensitivity switch button, and a connection switch button.
The wheel can not only rotate and click, but it can also be moved from side to side.
On the left side are the side wheel and side buttons.
There are no buttons on the right side.
The back looks like this.
There is a USB-C port for charging on the front. Also, when viewed from the front, you can see that the body has a slanted design.
The power switch is located on the bottom.
Opening the cover on the bottom revealed a storage compartment for the receiver.
To actually use the MA-WBIRS635BK, first charge it using the included USB-C cable.
Connect the PC and MA-WBIRS635BK using a USB-C cable.
When charging began, the area behind the wheel lit up red.
Once fully charged, switch the switch on the back to turn it on.
When I pressed the connection button in the center of the top panel once, the right side of the receiver icon lit up.
Insert the receiver into the PC.
I was able to connect the mouse to my PC.
Additionally, you can switch from receiver connection to Bluetooth connection by pressing the connect button twice. When the light blinks blue, it is in Bluetooth connection waiting mode.
This time we'll connect to a Windows PC. Open 'Bluetooth & devices' in the PC's settings app, then click 'Add a device'.
Select 'Bluetooth'.
It displayed 'MA-WBIRS635,' so I clicked on it.
The message 'Your device is ready!' appeared, so I clicked 'Done'.
'MA-WBIRS635' has been added.
The MA-WBIRS635BK's distinguishing feature is that it has both a tilt wheel that can move not only up and down but also left and right, and a side wheel that can scroll left and right. You can get a good sense of the clicking sound and the horizontal scrolling action of the wheel when you actually use the MA-WBIRS635BK by watching the video below.
The top-mounted wheel is a tilt wheel that can be tilted left and right, allowing for quick horizontal scrolling in large-screen work environments.
Furthermore, the side wheel allows for more intuitive horizontal scrolling, and by using the tilt wheel for quick, clicky switching and the side wheel for smoother movement, you can speed up your work. In addition, by using Sanwa Supply's mouse assignment software, '
Additionally, pressing the black button to the right of the side wheel will display the desktop.
The MA-WBIRS635BK has a maximum communication range of approximately 10m, a continuous operation time of 100 hours, a continuous standby time of 5000 hours, and an estimated usable lifespan of 250 days. Although it is a large mouse, it fits comfortably in the hand and is lightweight, making it easy to use. Only the tilt wheel makes a clicking sound when moved left and right, but all other buttons are designed to be silent, making it a mouse that can be easily chosen regardless of location.
The MA-WBIRS635BK is priced at 7280 yen at the official store . It is also available on Amazon.co.jp for 5973 yen.
Amazon.co.jp: Sanwa Supply Bluetooth Wireless Mouse (with high-speed scroll, tilt wheel, and side wheel) MA-WBIRS635BK: Computers & Peripherals
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