K4 Modular Motorcycle Helmet with Bluetooth Headset – 3-in-1 Flip-Up Design | 500m Intercom | Siri & Google Assistant | 30H Battery Life
The K4 Modular Helmet is a smart, all-in-one solution built for riders who demand comfort, protection, and advanced connectivity. With its integrated Bluetooth headset and aerodynamic design, it offers the freedom to ride, communicate, and stay focused — no matter the distance.
🛡 Helmet Highlights:
3-in-1 Riding Modes Switch between full-face, flip-up, or Open Modular Visor Mode.
Impact-Resistant Construction Durable ABS shell + EPS foam liner + breathable, removable interior padding.
Ultra-Wide 190° Field of View Optical-grade PC visor provides sharp, panoramic vision on every ride.
Anti-Fog Compatible Visor Supports anti-fog inserts to maintain visibility in cold or humid weather.
Built-In Sun Visor Internal tinted lens protects against glare without the need for sunglasses.
Aerodynamic Shell Design Wind-tunnel tested to reduce lift, noise, and drag at high speeds.
Multi-Channel Ventilation Chin, top, and rear vents ensure continuous airflow for all-day comfort.
Bluetooth-Ready Interior Pre-installed speaker pockets for seamless headset integration.
🎧 Integrated Bluetooth Headset Features
500m Rider-to-Rider Intercom Supports real-time group chat for 2–8 riders within a 500-meter range.
Bluetooth 5.4 Chipset Delivers fast, stable connections with lower power consumption.
30H Battery Life | 1000H Standby Long-lasting performance with 5–7 hour charging time.
Advanced Noise Cancellation Reduces wind and engine noise for crystal-clear audio. → Lowers the need for high volume, protecting your hearing long-term.
Dual-Device Pairing Connect two devices (e.g., phone + GPS) and switch between them automatically.
Voice Assistant Support Compatible with Siri and Google Assistant — play music, get directions, make calls hands-free.
High-Fidelity Audio at High Speed Engineered for rich sound quality that cuts through road noise.
Smart Call Control Choose automatic or manual call answering via one-touch controls.
📏 Easy Sizing Guide
Size
Head Circumference (inches)
Head Circumference (cm)