ELECOM M-MY40MBSBK-G

Elecom Wireless Silent Mouse OSMOD Seven 7 Instruction Manual

Model: M-MY40MBSBK-G

Brand: ELECOM

1. Product Overview

The Elecom Wireless Silent Mouse OSMOD Seven 7 (Model M-MY40MBSBK-G) is a versatile mouse designed for comfort and efficiency. It offers dual connectivity via 2.4GHz wireless USB-A receiver and Bluetooth Low Energy, allowing connection to up to two devices simultaneously. Its silent button design ensures a quiet working environment, while the 7-button layout, including a tilt wheel, provides enhanced functionality for various tasks.

Elecom OSMOD Seven 7 Wireless Silent Mouse, top view

Figure 1: Elecom OSMOD Seven 7 Wireless Silent Mouse (Black)

2. Key Features

  • Dual Connectivity: Connects via 2.4GHz wireless (USB-A receiver) or Bluetooth Low Energy, supporting a wide range of devices.
  • Multi-pairing Function: Stores connection settings for up to two devices (one 2.4GHz, one Bluetooth) and allows easy switching via a top-mounted switch.
    Elecom OSMOD Seven 7 mouse showing multi-pairing with laptop and tablet

    Figure 2: Multi-pairing feature connecting to a laptop and a tablet.

  • 7-Button Design: Includes left, right, scroll wheel, tilt wheel (left/right scroll), and dedicated "Forward" and "Back" buttons for efficient navigation.
    Diagram of Elecom OSMOD Seven 7 mouse buttons

    Figure 3: Detailed view of the 7 programmable buttons on the mouse.

  • Silent Switches: Left, right, and tilt wheel buttons use silent switches, reducing click noise for a quiet environment.
    Hand using Elecom OSMOD Seven 7 mouse silently in an office setting

    Figure 4: Demonstrating the silent click feature of the mouse.

  • Tilt Wheel: Enables horizontal scrolling by tilting the scroll wheel left or right, enhancing productivity in applications like spreadsheets and web browsers.
    Hand demonstrating tilt wheel functionality on Elecom OSMOD Seven 7 mouse

    Figure 5: The tilt wheel allows for horizontal scrolling.

  • Adjustable DPI: Three-stage DPI adjustment (1000/1500/2000 DPI) allows users to customize cursor speed to suit their preferences and tasks.
    DPI adjustment settings on the underside of the Elecom OSMOD Seven 7 mouse

    Figure 6: DPI switch on the bottom of the mouse for sensitivity adjustment.

  • Blue LED Sensor: High-precision Blue LED sensor ensures accurate tracking on various surfaces, including wood, resin, glass, and fabric.
  • Ergonomic & Ambidextrous Design: Symmetrical elliptical shape fits comfortably in any hand, reducing stress during prolonged use. The sides feature a smooth rubber finish for a secure grip.
    Elecom OSMOD Seven 7 mouse showing ambidextrous design

    Figure 7: The ambidextrous design ensures comfort for both left and right-handed users.

  • Elecom Mouse Assistant Software: Free downloadable software (Windows/macOS only) allows customization of button assignments and other functions to optimize workflow.
    Screenshot of Elecom Mouse Assistant software interface

    Figure 8: Elecom Mouse Assistant software for advanced customization.

3. Package Contents

Please ensure all the following items are included in your package:

  • Mouse unit x 1
  • USB receiver x 1
  • AA alkaline battery (for operation check) x 1
  • Quick Start Guide x 1

4. Setup

4.1. Battery Installation

  1. Open the battery cover located on the underside of the mouse.
  2. Insert one AA battery, ensuring correct polarity (+/-).
  3. Close the battery cover securely.
Installing AA battery into Elecom OSMOD Seven 7 mouse

Figure 9: Battery compartment and installation of the AA battery.

4.2. 2.4GHz Wireless Connection

  1. Remove the USB receiver from its storage slot on the underside of the mouse.
    Elecom OSMOD Seven 7 mouse with USB receiver

    Figure 10: USB receiver and mouse.

  2. Insert the USB receiver into an available USB-A port on your computer.
  3. Turn on the mouse using the power switch on the underside.
  4. Set the connection switch on the top of the mouse to the 2.4GHz wireless mode (indicated by a USB icon).
  5. The mouse should automatically connect to your computer.

4.3. Bluetooth Connection

  1. Turn on the mouse using the power switch on the underside.
  2. Set the connection switch on the top of the mouse to the Bluetooth mode (indicated by a Bluetooth icon).
  3. Press and hold the PAIRING button on the underside of the mouse for approximately 3 seconds until the LED indicator starts flashing. This indicates pairing mode.
  4. On your device (computer, tablet, smartphone), go to Bluetooth settings and search for new devices.
  5. Select "ELECOM OSMOD Seven 7" from the list of available devices to complete the pairing process.

4.4. Multi-pairing Function

The mouse supports multi-pairing, allowing you to connect to one device via 2.4GHz wireless and another via Bluetooth. Use the connection switch on the top of the mouse to easily switch between the two paired devices.

5. Operating Instructions

5.1. Button Functions

The OSMOD Seven 7 mouse features 7 buttons for enhanced control:

  • Left Button: Standard click function.
  • Right Button: Standard right-click function.
  • Scroll Wheel: Scrolls vertically. Pressing it acts as a middle click.
  • Tilt Wheel (Left/Right): Tilting the scroll wheel left or right enables horizontal scrolling.
  • Forward Button: Navigates forward in web browsers or file explorers.
  • Back Button: Navigates backward in web browsers or file explorers.
  • DPI Button: Located on the underside, cycles through 1000, 1500, and 2000 DPI settings.
Detailed diagram of all buttons on the Elecom OSMOD Seven 7 mouse

Figure 11: Front and back view of the mouse with button labels.

5.2. DPI Adjustment

To adjust the cursor sensitivity (DPI), press the DPI button located on the underside of the mouse. Each press cycles through the available settings: 1000 DPI (Low), 1500 DPI (Mid), and 2000 DPI (High). Select the sensitivity that best suits your task and screen resolution.

5.3. Elecom Mouse Assistant Software

For advanced customization of button functions, download and install the "Elecom Mouse Assistant" software from the official Elecom website. This software is compatible with Windows and macOS operating systems. It allows you to assign frequently used functions to any of the 7 buttons, enhancing your workflow efficiency.

Elecom Mouse Assistant software interface showing button customization options

Figure 12: Customizing mouse buttons using the Elecom Mouse Assistant software.

6. Maintenance

  • Cleaning: Use a soft, dry cloth to clean the mouse surface. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid harsh chemicals or abrasive materials.
  • Sensor Cleaning: Periodically clean the Blue LED sensor on the underside of the mouse with a cotton swab to ensure optimal tracking performance.
  • Battery Replacement: Replace the AA battery when the mouse's performance degrades or it stops responding. Dispose of used batteries according to local regulations.
  • Storage: When not in use for extended periods, turn off the mouse to conserve battery life. Store the USB receiver in its designated slot on the mouse.

7. Troubleshooting

ProblemPossible CauseSolution
Mouse does not respond.
  • Battery is dead or incorrectly inserted.
  • Mouse is turned off.
  • Incorrect connection mode selected.
  • USB receiver not properly connected (2.4GHz).
  • Bluetooth not paired or out of range.
  • Replace battery or check polarity.
  • Turn on the mouse.
  • Ensure the correct mode (2.4GHz or Bluetooth) is selected via the top switch.
  • Reconnect the USB receiver to a different port.
  • Re-pair Bluetooth or move closer to the device.
Cursor movement is erratic or slow.
  • Sensor is dirty.
  • Mouse is used on an unsuitable surface.
  • DPI setting is too low.
  • Clean the Blue LED sensor.
  • Use a mouse pad or a more suitable surface.
  • Increase the DPI setting using the DPI button.
Cannot switch between devices (multi-pairing).
  • Devices not properly paired.
  • Switch not fully engaged.
  • Ensure both devices are correctly paired in their respective modes.
  • Toggle the connection switch firmly to the desired mode.

8. Specifications

FeatureDetail
Connector TypeUSB-A plug
Connection Method2.4GHz Wireless / Bluetooth(R) Wireless
Bluetooth StandardBluetooth Low Energy
Supported OS (USB)Windows, macOS, ChromeOS equipped with USB-A port
Supported OS (Bluetooth)Windows, macOS, iOS, iPadOS, ChromeOS, Android compatible with Bluetooth Low Energy
Supported OS (Windows)Windows 11/10
Supported OS (Android)Android 15
Supported OS (macOS)macOS Sequoia 15
Supported OS (iOS)iOS 18
Supported OS (iPadOS)iPadOS 18
Supported OS (Other)ChromeOS
Radio Frequency2.4GHz band
Radio RangeUp to approximately 10m (may vary depending on usage environment)
Connection SwitchingSupported (1 device for 2.4GHz wireless, 1 device for Bluetooth)
Reading MethodBlue LED
Sensor Resolution (DPI)1000/1500/2000 DPI (switchable)
Number of Buttons7 buttons (including scroll wheel and tilt wheel functions)
Number of Wheels1
Receiver StorageSupported
Power Source1 x AA alkaline dry cell, AA manganese dry cell, or AA nickel-metal hydride rechargeable battery
Battery LifeUp to approximately 2 years (目安: guideline when using alkaline dry cell battery; may vary depending on usage conditions)
Size ClassificationL size
External Dimensions (Mouse)Approx. 65mm (W) x 120mm (D) x 40mm (H)
External Dimensions (Receiver)Approx. 13mm (W) x 19mm (D) x 6mm (H)
Weight (Mouse)Approx. 82g
Weight (Receiver)Approx. 2g
ColorBlack

9. Warranty and Support

This product comes with a 2-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.

For technical support, troubleshooting assistance, or warranty inquiries, please visit the official ELECOM website or contact their customer service department. Contact information can typically be found on the ELECOM website or in the Quick Start Guide included with your product.

10. Product Video Demonstration

Video 1: A brief overview of the Elecom OSMOD Seven 7 mouse, showcasing its design and key features like silent buttons and multi-pairing. This video provides a visual demonstration of the product in use.

© 2025 ELECOM Co., Ltd. All rights reserved.

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