Lenovo M103 Ultra-Thin 3-Mode Wireless Mouse | BT5.1 & 2.4G
Lenovo M103 Ultra-Thin 3-Mode Wireless Mouse | BT5.1 & 2.4G
Lenovo Ultra-Thin 3-Mode Wireless Mouse – Silent, Rechargeable & Ergonomic
Meet your new go-to desktop companion. The Lenovo M103 Wireless Mouse combines three seamless connection modes — 2.4G USB dongle plus dual Bluetooth 5.1 channels — into one sleek, ultra-thin package. Whether you're switching between a laptop, tablet, and phone, or simply want a quiet, responsive mouse for long work sessions, this mouse delivers smooth, precise tracking with whisper-quiet clicks.
Key Features
- Triple Wireless Modes: 2.4GHz USB receiver + BT5.1 (BT1) + BT5.1 (BT2) — connect up to three devices and switch between them instantly.
- Silent Click Design: Engineered for quiet operation — ideal for open offices, libraries, or late-night work without disturbing those around you.
- 3-Level Adjustable DPI: Toggle between 800, 1200, and 1600 DPI for precise cursor control tailored to your task. (Default: 1200 DPI)
- Long Battery Life: Built-in 500mAh rechargeable lithium battery provides up to 150 hours of use on a 2-hour Type-C charge.
- Power Display Indicator: Always know your battery level at a glance — no more surprise shutdowns.
- One-Click Desktop Button: Instantly minimize all windows and return to your desktop with a dedicated shortcut button (Windows only).
- Ultra-Thin Portable Profile: Slim 2.6cm-tall design slips easily into any bag for on-the-go productivity.
- Smart Power-Saving Modes: Three-tier sleep system activates automatically to conserve battery when idle.
- Up to 15M Wireless Range: Superior anti-interference performance keeps your connection stable up to 15 meters away.
- Right-Hand Ergonomic Contour: Naturally shaped for comfortable extended use sessions.
Technical Specifications
| Model | M103 |
| Colors | Black, Silver |
| Material | ABS Plastic |
| Sensor IC | PixArt 3065 Optical |
| Resolution (DPI) | 800 / 1200 / 1600 (default 1200) |
| Report Rate | 125 Hz |
| Movement Speed | 28 IPS |
| Acceleration | 10G |
| Wireless Range | Up to 15 m |
| Battery | 500 mAh rechargeable lithium |
| Charge Time | ~2 hours (Type-C cable included) |
| Battery Life | Up to 150 hours |
| Buttons | 2 main + scroll wheel + DPI key + desktop shortcut |
| Key Lifespan | 5 million clicks |
| Mouse Weight | 70 g |
| Dimensions | 11.3 × 5.7 × 2.6 cm |
| Compatibility | Windows 98/Me/2000/XP/Vista/7/8/10/11, macOS |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × Lenovo M103 Three-Mode Wireless Mouse
- 1 × 2.4G USB Receiver
- 1 × Type-C Charging Cable (25 cm)
- 1 × Instruction Manual
How to Connect
2.4G USB Mode
- Plug the USB receiver into your computer's USB port.
- Slide the power switch on the bottom of the mouse to "ON" and select 2.4G mode — the green LED flashes, then turns off once connected.
- Move the mouse or click either button to start using it immediately.
Bluetooth Mode (BT1 / BT2)
- Slide the power switch to "ON" and press the mode button to select BT1 or BT2 — the blue LED flashes to indicate pairing mode.
- On your device, open Bluetooth settings and connect to "BT5.1 Mouse." The blue LED turns off once paired.
- Move the mouse or click to begin using it normally.
Smart Three-Tier Sleep Mode
- Level 1 (3 sec idle): Light flashes continuously — light sleep.
- Level 2 (~1 min idle): Light flashes intermittently — deeper sleep.
- Level 3 (~8 min idle): Light off — maximum power saving.
For more information on safe use of electronic devices in the workplace, visit the OSHA Ergonomics resource page.
Frequently Asked Questions
Q: Can I use the Lenovo M103 wireless mouse with a Mac or iPad?
A: Yes! The Bluetooth 5.1 modes (BT1 and BT2) are compatible with macOS and iOS/iPadOS devices. Simply pair via your device's Bluetooth settings. Note that the one-click desktop shortcut button is designed for Windows systems only and may not function on Mac.
Q: How long does the battery last, and how do I recharge the mouse?
A: The built-in 500mAh lithium battery provides up to 150 hours of use on a full charge. Recharging takes approximately 2 hours using the included Type-C USB cable. The power display indicator lets you monitor the battery level at any time.
Q: Can I connect the Lenovo M103 to multiple devices at the same time?
A: The mouse supports three connection channels (2.4G USB, BT1, and BT2), allowing you to pair it with up to three different devices. You can switch between devices quickly using the dedicated mode button on the mouse.
Q: Is the wireless mouse truly silent?
A: Yes — the M103 features a silent click design with a key lifespan of 5 million clicks. The buttons produce minimal noise, making it well-suited for quiet environments like offices, classrooms, or shared workspaces.