The Only Truly Ambidextrous Vertical Mouse - Switch Hands to Prevent Overuse Injuries

The Penguin 3-in-1 Ambidextrous Vertical Mouse is the world's first truly symmetrical vertical mouse—designed for both left and right-handed use without compromise, allowing you to alternate mouse hands throughout the day to prevent overuse injuries, eliminate wrist pain, and maintain productivity during RSI recovery.

Why Penguin is the Ultimate Ambidextrous Vertical Mouse

• True Ambidextrous Design: Perfectly symmetrical shape works equally well in left or right hand—no awkward adaptation, no compromised ergonomics
• Prevents Overuse Injuries: Switch mouse hands every 2-4 hours to distribute workload and prevent the repetitive strain that causes chronic pain
• 87° Vertical Angle: Steeper than competitors (78°), providing maximum forearm rotation relief and eliminating wrist pronation that causes carpal tunnel
• 3 Size Options: Small, medium, and large sizes ensure perfect fit for any hand size—proper sizing is critical for ergonomic effectiveness
• Wired or Wireless: Choose USB wired for zero-latency reliability or wireless for cable-free flexibility—both included in one mouse

Clinical Benefits for Wrist Pain & RSI

Traditional mice force wrist pronation (palm-down position) that twists forearm bones and compresses the median nerve—the primary cause of carpal tunnel syndrome and mouse-related RSI. The Penguin's 87° vertical angle maintains neutral forearm rotation, reducing muscle strain by up to 70%. The unique ambidextrous capability allows you to alternate mouse hands, preventing the overuse injuries that occur when one hand performs repetitive motions for hours daily. This makes the Penguin the only vertical mouse that provides both ergonomic positioning AND injury prevention through hand alternation.

Trusted by Medical Professionals for 30+ Years

Recommended by occupational therapists, hand surgeons, and ergonomists since 1990. The Penguin has helped tens of thousands of office workers, programmers, designers, and computer professionals eliminate chronic wrist pain and prevent surgery. The ambidextrous design is particularly effective for users recovering from RSI who need to reduce strain on their dominant hand while maintaining productivity.

Who It's Built For

Essential for anyone experiencing wrist pain, forearm strain, carpal tunnel symptoms, or RSI from traditional mouse use. Ideal for office professionals, graphic designers, programmers, CAD operators who spend 4+ hours daily with a mouse. Perfect for ambidextrous users who want to switch hands to prevent overuse, users recovering from hand/wrist injuries who need to use non-dominant hand, or anyone seeking to distribute mouse workload between both hands for injury prevention. Particularly effective for users who found other vertical mice uncomfortable due to hand-specific design—the Penguin works equally well in either hand.

Technical Specifications

• True ambidextrous symmetrical design (left or right hand)
• 87° vertical angle (steeper than competitors for maximum relief)
• Wired USB or wireless operation (both modes included)
• Wireless USB receiver included (stores in mouse)
• Rechargeable battery (wireless mode): 2+ weeks per charge
• USB charging/connection cable included (6 feet)
• 5 programmable buttons (left, right, middle, forward, back)
• Adjustable DPI: 800/1200/1600 (toggle button)
• High-precision optical sensor
• Compatible with Windows, Mac, Linux
• Available in 3 sizes: Small, Medium, Large
• Soft-touch rubber coating for secure grip
• Weight: 6.5 oz (balanced for either hand)

What's Included

• Penguin Ambidextrous Vertical Mouse
• Wireless USB receiver (stores in mouse)
• USB charging/connection cable (6 feet)
• Quick start guide
• Size selection guide
• Hand alternation instructions

Size Selection Guide - Critical for Ergonomic Success

Proper sizing is essential for vertical mouse effectiveness. Measure your hand from wrist crease to tip of middle finger:

• Small: Up to 6.5 inches (165mm) - Ideal for smaller hands, youth, petite users, women with small hands
• Medium: 6.5-7.5 inches (165-190mm) - Most popular size, fits majority of users, standard adult hands
• Large: 7.5+ inches (190mm+) - Larger hands, tall users, men with large hands

Important: Choosing the correct size is critical. Too small creates cramping, too large prevents proper grip. When in doubt between sizes, choose the smaller size for better control. The symmetrical design ensures proper fit in either hand.

True Ambidextrous Design - No Compromises

Unlike "ambidextrous" mice that are simply symmetrical traditional mice, the Penguin is a true vertical mouse with perfectly symmetrical ergonomic design. The button placement, shape contours, and grip surface work equally well in left or right hand without forcing awkward positioning or compromised ergonomics. This allows you to:

• Prevent Overuse: Switch hands every 2-4 hours to distribute workload and prevent repetitive strain
• Injury Recovery: Use non-dominant hand while injured hand heals, maintaining productivity
• Reduce Fatigue: Alternate hands during marathon work sessions to prevent cumulative strain
• Ambidextrous Training: Develop proficiency with both hands for long-term injury prevention
• Shared Workstations: One mouse works for left and right-handed users in hot-desking environments

87° Vertical Angle - Maximum Ergonomic Relief

The Penguin's 87° vertical angle is steeper than competitors (Evoluent 78°, most others 60-70°), providing maximum forearm rotation relief. This near-vertical positioning eliminates wrist pronation more effectively than less-steep vertical mice, delivering superior ergonomic benefits for users with severe wrist pain or advanced RSI. The steeper angle requires slightly longer adaptation but provides maximum long-term relief.

Wired or Wireless Operation

Wireless Mode: Insert USB receiver for cable-free operation. Rechargeable battery provides 2+ weeks per charge with typical use. Perfect for clean desk aesthetics, flexible positioning, and mobile workstations.

Wired Mode: Plug in USB cable for zero-latency connection and no battery concerns. Ideal for precision work, gaming, or users who prefer wired reliability. Cable also charges battery in wireless mode.

Switch between modes instantly—use wireless for general work, wired for precision tasks requiring zero latency.

Adaptation Period

Most users adapt to vertical mouse positioning within 3-5 days. The 87° angle requires slightly longer adaptation than less-steep mice (5-7 days) but provides superior long-term relief. Start with short sessions (30-60 minutes) and gradually increase usage as your hand adjusts to the natural vertical position. Cursor precision returns to normal within 2-3 days. Pain relief typically begins within the first week of consistent use, with maximum benefit achieved after 2-3 weeks.

Hand Alternation Strategy

For maximum injury prevention and recovery benefits:

• Prevention: Alternate hands every 2-4 hours during normal work to prevent overuse before it starts
• Early Symptoms: Switch to non-dominant hand when experiencing strain or discomfort in dominant hand
• Recovery: Use non-dominant hand exclusively while injured hand heals (1-2 weeks to develop proficiency)
• Rehabilitation: Gradually reintroduce injured hand by alternating with healthy hand
• Long-Term: Maintain regular hand alternation to prevent recurrence of overuse injuries

5 Programmable Buttons

All 5 buttons are fully programmable using free software (Windows/Mac). Assign custom functions, keyboard shortcuts, or macros to any button for enhanced productivity. The symmetrical button placement works equally well in either hand. Works plug-and-play without software for standard mouse functions (left click, right click, scroll, forward, back).

Adjustable DPI for Precision Control

Toggle between 800/1200/1600 DPI settings to match your preference and task requirements. Lower DPI (800) provides precise control for detailed work like graphic design or CAD. Higher DPI (1600) allows faster cursor movement for general office tasks. Adjust on-the-fly without software using dedicated DPI button.

Why Penguin vs. Evoluent (Your Current Bestseller)

Choose Penguin if you: Want true ambidextrous capability, need to switch hands for injury prevention or recovery, prefer steeper 87° angle for maximum relief, want wired/wireless flexibility in one mouse, need symmetrical design that works equally well in either hand.

Choose Evoluent if you: Only use one hand for mousing, prefer hand-specific contouring, want 78° angle (less steep, faster adaptation), need extended lip for pinky protection, prefer established brand with longer track record.

Perfect for Various Work Environments

• Office Professionals: Alternate hands to prevent overuse during long workdays
• Graphic Designers: Switch hands during marathon design sessions to reduce strain
• Programmers: Distribute mouse workload between hands during extended coding sessions
• CAD Operators: Alternate hands for different tasks or to reduce fatigue during detailed work
• Recovery Users: Continue working productively with non-dominant hand while injured hand heals
• Shared Workstations: One mouse accommodates left and right-handed users in hot-desking environments

Soft-Touch Rubber Coating

The soft-touch rubber surface provides secure grip in either hand without requiring tight gripping that causes muscle tension. The coating maintains grip even during extended use when hands perspire. The symmetrical texture pattern works equally well for left or right-hand grip.

Maintenance & Care

Wipe mouse surface with slightly damp cloth to remove oils and debris. Clean optical sensor lens periodically for optimal tracking. Charge battery when indicator LED alerts (wireless mode). Store USB receiver in mouse compartment when using wired mode. The durable soft-touch coating maintains grip through years of daily use in either hand.

Posturite Quality & Heritage

Manufactured by Posturite, UK's leading ergonomic solutions provider since 1990. The Penguin was the world's first truly ambidextrous vertical mouse and has been refined through 30+ years of clinical feedback and ergonomic research. Each mouse is built with precision optical sensors and durable construction designed for years of daily professional use in either hand.

Investment in Hand Health & Flexibility

The Penguin provides unique benefits that hand-specific vertical mice cannot match—true ambidextrous capability for injury prevention through hand alternation, steeper 87° angle for maximum ergonomic relief, and wired/wireless flexibility. Whether you're preventing overuse injuries, recovering from RSI, or seeking maximum ergonomic effectiveness with hand-switching capability, the Penguin delivers professional-grade vertical mouse performance for both hands.

Free shipping on orders over $99. 30+ years trusted. True ambidextrous design. 87° vertical angle. Wired or wireless. 3 sizes available.