LIVALL C21 Cycling Smart Helmet with Removable Visor - Medium (21.3- 22.8 in)

<h2>LIVALL C21 Cycling Smart LED Helmet with Removable Visor &amp; Adjustable Size Dial - Medium (21.3- 22.8 in) | Bike Helmet with Fall Detection for Adults</h2> <h3>Top Safety, Top Priority</h3> <p>Ride with confidence knowing that the LIVALL C21 Cycling Smart Helmet has your safety covered. Built to IPX4 standards, this sport bike helmet withstands the elements, ensuring you're ready to ride come rain or shine. The C21 has undergone rigorous testing and meets international helmet safety standards, including NTA 8776, EN1078, and AS/NZS 2063, providing you with the utmost protection.</p> <h3>Smart Lighting for Enhanced Visibility</h3> <p>Stay visible and safe with the LIVALL C21's smart lighting features. Equipped with three LED light modes, including brake warning lights and automatic sensor lighting, this helmet ensures you're seen from every direction. Whether you're riding during the day or at night, the smart lighting adjusts to keep you visible and safe.</p> <h3>Patented Fall Detection &amp; SOS Alert</h3> <p>As the pioneer of the patented Fall Detection &amp; SOS Alert function in outdoor sports, the LIVALL C21 is designed to keep you protected in the event of an accident. Special sensors detect falls and send an SMS alert with your GPS location to preset emergency contacts after 90 seconds, ensuring help is on the way when you need it most.</p> <h3>Convenient Battery Status Check</h3> <p>Easily check your helmet's battery status with a quick glance at the tail light upon powering on. No more surprises—know exactly how much battery life you have before you start your ride.</p> <h3>Long Battery Life for Extended Rides</h3> <p>Enjoy the freedom of long rides without worrying about recharging. The LIVALL C21 offers extended battery life, ensuring you can ride uninterrupted. Its adjustable head circumference feature provides a personalized fit, guaranteeing comfort and security on every journey.</p> <h3>Detachable Visor for Sun and Dust Protection</h3> <p>Shield yourself from the sun's glare and swirling dust with the helmet's detachable visor. Easily removable, the visor offers added protection and comfort, making it perfect for all your cycling adventures.</p> <h3>Auto On/Off for Effortless Use</h3> <p>Simplify your ride with the LIVALL C21's auto on/off feature. Power on once to start your ride, and let the helmet take care of the rest. It automatically activates within 4 seconds of wearing and powers down when removed. Plus, the LED lights adjust brightness automatically, conserving battery life whether you're on dim trails or bright city streets.</p> <p>Choose the LIVALL C21 Cycling Smart Helmet with Removable Visor for top-tier safety, smart features, and ultimate convenience. Elevate your cycling experience today!</p> <h4>Helmet Size Guide</h4> <p>Head Circumference</p> <ul> <li>Medium - 21.26-22.83 in (54-58cm)</li> <li>Large - 22.44-24.02 in (57-61cm)</li> </ul> <p></p> <h4>What’s in the Box?</h4> <ul> <li>(1) LIVALL C21 Helmet</li> <li>(1) Magnetic Charging Cable</li> <li>(1) User Manual</li> <li>(1) Warranty Card</li> </ul> <h4>Specifications</h4> <ul> <li>Weight: Medium - 0.81 lbs (370g); Large - 0.90lbs (410g)</li> <li>Head Circumference: Medium - 21.26-22.83 in (54-58cm); Large - 22.44-24.02 in (57-61cm)</li> <li>Dimensions (without visor): 10.83 x 8.86 x 6.85 in (275 x 225 x 174 mm)</li> <li>Helmet Color: Midnight Black</li> <li>Light Mode: Flashing Light / Fast Flashing Light / Tidal Light</li> <li>Charging Time: approx. 3hrs</li> <li>Helmet Material: EPS+PC</li> <li>Liner Color: Grey</li> <li>LED Light Bead: 7</li> <li>Battery: 3.7V 455mAh</li> <li>Battery Endurance: approx. 36 hrs for Default Lighting</li> <li>Waterproof Class: IPX4</li> </ul>

• Top Safety, Top Priority: LIVALL C21 sets a new standard in sports bike helmets with an integrated visor for enhanced safety. It meets rigorous international safety standards including NTA 8776, CPSC 1203, EN1078, AS/NZS 2063, ensuring top-tier protection.
• Enhanced Visibility: Featuring three LED light modes, the C21 enhances safety with functions like brake warning lights and automatic sensor lighting, effectively alerting vehicles in all directions.
• Patented Fall Detection & SOS Alert: Innovatively equipped with patented sensors, LIVALL C21 automatically detects falls during activities. In case of an accident, it triggers an SMS alert to preset emergency contacts with GPS location after 90 seconds.
• IPX4 Waterproof: Built to withstand diverse weather conditions, LIVALL C21 helmet with fall detection is certified IPX4 waterproof, ensuring reliability and durability in rain or shine, ideal for all-weather riding conditions.
• Detachable Visor: The detachable visor of the LIVALL C21 smart helmet shields riders from sun glare and dust, providing added comfort and protection throughout their journey.