H4M Mayhem Gaming Mouse – High-Performance Ergonomic Design

Upgrade your portable radio experience with the H4M Mayhem, a sleek, feature-packed shell designed to work with the HR10C module (sold separately) for an unmatched AM/FM listening adventure. Crafted by Knotolus, this innovative device combines style, convenience, and advanced functionality to bring your favorite radio stations to life wherever you go.

Why Choose H4M Mayhem?

• 🔋 Battery Included & Advanced Power Management
  No phantom battery drain when powered off — enjoy longer usage with smarter battery display showing percentage, voltage, and current draw for easy monitoring.

• 🌞 Matte Screen for Outdoor Use
  Clear, glare-free display lets you easily read your station info even in bright sunlight.

• 🎛️ 360-Degree Flat Knob Button
  Inspired by the iconic iPod click wheel, the new flat knob offers smooth and convenient control.

• 🔌 GPIO Port for Custom Add-ons
  Innovative expansion capabilities let you connect DIY add-ons and accessories, similar to Flipper Zero functionality.

• ⚡ Improved Charging Speed
  Faster, higher-quality charging keeps you powered up and ready to go.

• 🎤 Built-In Microphone with Toggle Switch
  Switch seamlessly between the internal mic and headphone mic for versatile audio input.

• 🎧 Auto Sound Switching
  Plug in headphones and the H4M automatically switches from speaker to headset mode, enhancing your listening experience.

Important Notes:

• This product includes only the H4M shell and battery — the HR10C module is required for operation (sold separately).

• Batteries are shipped separately due to shipping restrictions. Expect two packages.

Perfect For:

• Radio enthusiasts

• Portable AM/FM listeners

• DIY tech hobbyists and makers

• Outdoor adventurers needing clear audio and display

Step up your radio game with the H4M Mayhem portable AM/FM shell by Knotolus — advanced features, intuitive design, and endless customization possibilities wrapped into one stylish package.

👉 Add to your gear now and experience radio freedom like never before!