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Logitech M240 Silent Bluetooth Mouse
Logitech Mouse

Logitech M240 Silent Bluetooth Mouse

$25.00
Available Official 8.8/10Excellent
  • DPI 400 – 4,000 (adjustable in 100 DPI steps)
  • Weight 73.8 g (0.16 lbs)
  • Connection Bluetooth Low Energy (no dongle required)
  • Grip Style Contour shape, ambidextrous
View Full Specs

Logitech M240 Silent Bluetooth Mouse

Logitech M240 Silent Bluetooth Mouse is a lightweight mouse built around the Optical sensor with Bluetooth Low Energy (no dongle required). Its listed 73.8 g (0.16 lbs) weight and 99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in) dimensions make the Contour shape, ambidextrous guidance central to the buying decision. The 400 – 4,000 (adjustable in 100 DPI steps) figures describe its configuration ceiling; they do not replace measured latency or comfort testing.

Pros & Cons

Pros
  • 73.8 g (0.16 lbs) listed weight (lightweight class)
  • Optical sensor is identified, making comparison easier
  • Published battery guidance: Up to 18 months
Cons
  • Fit is personal; compare 99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in) with a mouse you already use

Specifications

Basic Information

Brand Logitech
Model Name M240 Silent Bluetooth Mouse
Release Year 2020
Grip Style Contour shape, ambidextrous
Ergonomics Suitable for both left and right-handed users
Color Options Graphite, Off-White, Rose

Dimensions & Weight

Length 99 mm (3.90 in)
Width 60 mm (2.36 in)
Height 39 mm (1.54 in)
Weight 73.8 g (0.16 lbs)
Material Plastic with 37-48% post-consumer recycled material (varies by color)

Sensor & Performance

Sensor Type Optical
Resolution (DPI) 400 – 4,000 (adjustable in 100 DPI steps)
Tracking Accuracy Smooth optical tracking
Polling Rate Not specified
Max Tracking Speed Not specified
Max Acceleration Not specified
Lift-off Distance Not specified
Click Latency Not specified
Onboard Memory No

Switches & Buttons

Switch Type Standard mechanical silent switches
Durability Rated for approximately 5 million clicks
Total Buttons 3 (Left-click, Right-click, Middle click with scroll wheel)
Scroll Wheel 2D mechanical scroll wheel with line-by-line scrolling
Side Buttons No
Middle Click Standard
Macro Support No

Connectivity

Connection Type Bluetooth Low Energy (no dongle required)
Compatibility Windows 10, 11; macOS 11+; ChromeOS; Linux; Android 9.0+; iPadOS 14+

Compatibility

Software Logi Options+ (optional)
System Support Windows 10, 11; macOS 11+; ChromeOS; Linux; Android 9.0+; iPadOS 14+
Interface Required Bluetooth-enabled device or Logi Bolt USB Receiver (optional)

Battery & Charging

Battery Type 1 x AA battery (pre-installed)
Battery Life Up to 18 months
Charging Method Battery replacement (non-rechargeable)
Charge Time Not applicable

Smart Features

Smart Features SilentTouch Technology (reduces click noise by ~90%)
Auto sleep mode for battery conservation
Compatible with Logi Options+ customization software (Windows/macOS)
Certified carbon neutral product with sustainable materials in build

✋ Shape & Grip Guide — Is This Mouse Right for Your Hand?

ShapeSuitable for both left and right-handed users
Size99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in)
Weight Feel73.8 g (0.16 lbs) (lightweight)
Best GripsContour shape, ambidextrous

Logitech M240 Silent Bluetooth Mouse measures 99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in) and is listed at 73.8 g (0.16 lbs). The published grip guidance is Contour shape, ambidextrous. Use those measurements against a familiar mouse; grip labels alone cannot predict comfort.

Good fit if

  • You already use Contour shape, ambidextrous on a similarly sized shell.
  • You want a lightweight mouse.
  • The Suitable for both left and right-handed users design matches your preferred hand position.

Consider another shape if

  • You cannot compare the dimensions with a mouse you already find comfortable.
  • You need a large MMO or productivity button grid.

🎯 Sensor & Tracking Quality — What You're Actually Getting

Sensor
Optical
The sensor model is the most useful identifier when comparing tracking hardware.
DPI Range
400 – 4,000 (adjustable in 100 DPI steps)
Maximum DPI is an adjustment range, not a promise of better aim.

Optical is the listed sensor. 400 – 4,000 (adjustable in 100 DPI steps) sets the available sensitivity ceiling. The useful setting is the one that remains stable on your PC, receiver and mouse pad—not necessarily the maximum number.

🧩 Clicks, Buttons & Build Quality

Switches
Standard mechanical silent switches
Switch specifications identify the mechanism; sound and feel still require hands-on judgment.
Buttons
3 (Left-click, Right-click, Middle click with scroll wheel)
Check placement as well as the total count.
Scroll Wheel
2D mechanical scroll wheel with line-by-line scrolling
Encoder type does not fully describe tactility or noise.
Shell / Body
Plastic with 37-48% post-consumer recycled material (varies by color)
Material and construction affect mass and rigidity; coating feel is not inferred.

Switches: Standard mechanical silent switches. buttons: 3 (Left-click, Right-click, Middle click with scroll wheel). wheel: 2D mechanical scroll wheel with line-by-line scrolling. body: Plastic with 37-48% post-consumer recycled material (varies by color). Treat feel, noise and long-term durability as untested unless a hands-on test is explicitly cited.

🔋 Wireless & Battery — What to Expect

Connection
Bluetooth Low Energy (no dongle required)
Use wired or 2.4 GHz for latency-sensitive play; Bluetooth prioritizes convenience.
Battery Life
Up to 18 months
Runtime varies with polling rate, lighting, sleep settings and battery age.
Charging
Battery replacement (non-rechargeable)
Confirm cable and charger compatibility in the regional package.

Logitech M240 Silent Bluetooth Mouse supports Bluetooth Low Energy (no dongle required). The published runtime is Up to 18 months.

👤 Who Should Buy This Mouse?

Buy if

  • You specifically want the Optical platform.
  • A 73.8 g (0.16 lbs) mouse suits your handling preference.
  • Bluetooth Low Energy (no dongle required) matches the devices you use.
  • Your grip and hand size match the Contour shape, ambidextrous guidance.

Skip if

  • The 99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in) shell is a poor match for your hand.

🛒 Practical Buying Advice

Before Buying

Compare 99 mm (3.90 in) × 60 mm (2.36 in) × 39 mm (1.54 in), 73.8 g (0.16 lbs), button placement and grip guidance with a mouse you already know.

Value Check

Judge value at the current regional price against mice with the same Optical, connection modes and warranty.

Best Configuration

Use a stable polling setting before increasing sensitivity. Set DPI for control rather than chasing the maximum figure.

What to Verify

Confirm the exact regional model, package contents, receiver, supported software and warranty before checkout.

Buying Call

Choose Logitech M240 Silent Bluetooth Mouse if its lightweight weight, shape, connection options match your setup; otherwise prioritize fit over headline sensor numbers.

🏁 Final Verdict

Logitech M240 Silent Bluetooth Mouse: the fit matters more than the maximum DPI

Logitech M240 Silent Bluetooth Mouse's clearest strengths on paper are 73.8 g (0.16 lbs) weight, Optical and Bluetooth Low Energy (no dongle required). The deciding risk is fit: confirm the dimensions, grip style and software support before treating the specification sheet as a recommendation.

Weight: 73.8 g (0.16 lbs)Sensor: OpticalConnection: Bluetooth Low Energy (no dongle required)

💻 Compatibility & Software Notes

Software
Logi Options+ (optional)
Supported OS
Windows 10, 11; macOS 11+; ChromeOS; Linux; Android 9.0+; iPadOS 14+
Profiles / Memory
No

Configuration support is listed as Logi Options+ (optional) on Windows 10, 11; macOS 11+; ChromeOS; Linux; Android 9.0+; iPadOS 14+. Features and operating-system support can change with firmware, so use the current manufacturer download page.

✅ Source / Verification Notes

✓

This page distinguishes published specifications from hands-on test results.

✓

Shape comfort, click feel, wireless stability and battery life can vary by user, firmware and test method.

❓ Frequently Asked Questions

More from Logitech

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