IST PLUS
FAQs
IST PLUS
Wireless thumb trackball with smooth bearings and silent buttons
Regular price
$79.99
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IST PLUS
Regular price
$79.99
Description
IST PLUS takes the relaxed, hands-open shape that made IST a favorite and adds the upgrades our users asked for most. Your hand rests naturally on top with no gripping, whatever your hand size or how you like to hold it. The tilt keeps your wrist at a comfortable angle, so long work sessions stay easy on your arm.
Your thumb guides a 36mm ball that rides on precision bearings from MinebeaMitsumi. The bearings cut friction so the ball feels like it floats, and because they don't rub the ball surface, dust stays out and the trackball goes longer between cleanings. Every button uses a silent switch, so clicks stay quiet on calls and late at night.
Pair up to three devices over Bluetooth or the included 2.4GHz receiver, then switch with the button on the side. A colored light shows which device you're on. Button settings save to the trackball itself, so they follow you from your work laptop to your home desktop, and one AA battery lasts up to 25 months.
Specifications
Model: M-IT11MRSABK
- Connectivity: 2.4GHz wireless (Bridge E USB receiver), Bluetooth Low Energy
- Device Switching: Supports 3 devices
- Battery Life: Up to 25 months
- Power Supply: 1 AA battery
- Ball Diameter: 36mm
- Bearings: Swappable RollMaster steel bearings
- Programmable Buttons: 5 (including wheel button)
- DPI Settings: 500 DPI default, adjustable 100 to 4,000 DPI
- Sensor: IR LED optical sensor
- Switches: Silent switches on all buttons
- On-board Memory: 3 profiles
- Wireless Range: Up to 10 meters
- Compatible OS: Windows 11, Windows 10, macOS 26 Tahoe, ChromeOS, Android 16, iOS 26, iPadOS 26
- Receiver Storage: Inside mouse
- Dimensions: 3.8" × 5.0" × 2.0" inches
- Weight: 4.2 oz (without battery)
What's in The Box
- IST PLUS trackball
- Bridge E USB Receiver
- AA Battery (1)
- Support Unit Removal Tool
Bearings That Glide
MinebeaMitsumi bearings cut friction so the ball feels like it floats. They don't rub the ball surface, so dust stays out and the trackball goes longer between cleanings.
Shape That Fits Any Hand
Your hand rests open and relaxed with no gripping. The tilt keeps your wrist at a natural angle, so long work sessions stay comfortable.
Three Devices, One Button
Save up to three connections and switch with the button on the side. A colored light (white, blue or green) shows which device you're on.
Is IST PLUS compatible with Mac and Windows?
Yes. It works with Windows, macOS and ChromeOS through the receiver or Bluetooth. iPad, iPhone and Android connect over Bluetooth.
Does the button software work on Mac?
Yes. ELECOM Mouse Assistant has a Mac version that supports macOS Ventura and later. Download it free from the ELECOM website and remap buttons the same way you would on Windows. Settings saved to the trackball also work on iPad, iPhone, ChromeOS and Android.
Do I need to charge it?
No. IST PLUS runs on one AA battery, included, which lasts up to 25 months with alkaline. The power switch sits on top, so you can turn it off without flipping it over.
How many devices can I connect?
Up to three. By default, two channels use Bluetooth and one uses the receiver, and you can change them in Mouse Assistant.
Can I customize the buttons and speed?
Yes. Use the free ELECOM Mouse Assistant to remap buttons and set pointer speed anywhere from 100 to 4,000 DPI. Save up to three profiles on the trackball so your settings stay the same on any device.
What's the difference between IST PLUS and IST PRO?
IST PLUS keeps things simple with 5 silent buttons, two wireless connection types and up to 25 months on one AA battery. IST PRO adds 10 buttons, a tilt wheel, USB-C wired connection, up to 6 devices and a gaming-grade 1000Hz sensor.
What size replacement ball do I need?
IST PLUS uses a 36mm ball. Replacement ball M-B10SV is sold separately.
Are the bearings swappable?
Yes. Pop out the support unit with the included tool. You can swap in a bearing unit (M-BS10), artificial ruby unit (M-RS10) or ball roller unit (M-TU03SS), each sold separately.
How do I clean it?
Push the ball out through the opening on the bottom and wipe the ball and supports with a soft, lint-free cloth. The bearings keep dust from building up, so you won't need to do this often.