Choosing the right computer mouse involves considering several factors, including ergonomics, connectivity, sensor type, and intended use. The increase in musculoskeletal disorders (MSDs)—which make up over 80% of occupational diseases in France, according to INRS—has emphasized the need for ergonomic designs in everyday tools. At the same time, the rise of esports has driven manufacturers to enhance performance features, such as sensor accuracy and low-latency wireless connections. Mice are broadly categorized into two connectivity types: wired and wireless. Wired mice offer reliable performance with no lag and continuous power, but the cable can restrict movement. Wireless models provide greater freedom but require regular charging and can add weight, which may affect comfort. Wireless options include Bluetooth, which is energy-efficient but has higher latency, and RF 2.4 GHz, which is nearly lag-free and ideal for gaming. The type of sensor also plays a crucial role. Optical sensors, the most common, track movement accurately on opaque surfaces without causing false motion. Laser sensors, while less common, can work on various surfaces, including reflective ones, but may introduce slight inaccuracies that can be problematic for gamers. The mouse’s shape and button layout influence comfort and efficiency. Three main grip styles are recognized: palm grip, claw grip, and fingertip grip. Ergonomic designs, such as vertical mice that keep the wrist in a neutral position, or trackballs that use a ball controlled by the fingers, can reduce strain. The number of buttons varies depending on use—standard models have two clicks, a scroll wheel, and side buttons, while advanced models may offer up to 12 programmable buttons for gaming or complex tasks. The price of a mouse largely determines its quality, sensor precision, and features. Entry-level models under 50 euros are suitable for basic office or gaming needs. Mid-range models (50 to 150 euros) offer better ergonomics and more advanced gaming features. High-end models (over 150 euros) are built for elite gaming or specialized ergonomic needs, often featuring lightweight materials and wireless charging. For office use, comfort and ease of use are key. Ergonomic designs, quiet click mechanisms, and features like disengageable scroll wheels help reduce fatigue. Vertical mice and trackballs are especially beneficial for those with musculoskeletal concerns. In gaming, responsiveness and precision are essential. A mouse with a high polling rate (at least 1000 Hz) and a precise optical sensor ensures minimal lag. Wireless mice with RF 2.4 GHz connections are preferred over Bluetooth for gaming. A lightweight, compact design is ideal for claw or fingertip grips. Mixed-use mice aim to balance both office and gaming needs, offering versatile features like low-latency wireless, precise sensors, and programmable buttons. The Logitech G305 X SUPERLIGHT is a notable example, combining an ambidextrous design, a high-precision optical sensor, and wireless connectivity with latency under 1 ms. Priced around 80 euros, it supports wired, Bluetooth, and LIGHTSPEED wireless connections, making it a flexible choice. To enhance overall performance, pairing the mouse with compatible devices in a unified system is recommended. The Logitech G305 X SUPERLIGHT integrates with other Logitech G3 devices, such as the G316 X keyboard and G325 headset, through Logitech G HUB software. This setup provides a cohesive experience, combining responsiveness, comfort, and high-quality audio for both professional and gaming environments.