Livall MT1, 58-62 cm head circumference, matte black. The new Livall MT-1Neo has completely revamped and improved all Bluetooth functions. This makes it even easier to use and provides better sound through the built-in speakers. Weighing in at 320 g, it is only 10 g heavier than its predecessor. With high safety standards, helpful tech features, and a lightweight design, you can tackle any trail with this smart bike helmet. Safety and riding enjoyment are crucial when mountain biking, and the MT1 offers both. Special sensors detect impacts during a fall and automatically notify your emergency contact, ensuring you are safe even on remote forest paths. Additionally, many useful functions can be activated via an ergonomic remote control on the handlebars. The smart light on the back of the helmet can shine in two modes: as a bright LED taillight or as a helpful turn signal for road traffic. This means you are well-equipped not only off-road but also in the city. Furthermore, a wind-protected headset allows for uninterrupted communication, targeted navigation announcements, and music playback. Thanks to the sophisticated speakers, you can always have your favorite track playing on your favorite trail. The MT1 is the epitome of a smart bike helmet, ensuring your safety on forest, logging, and meadow paths. Technical specifications: Product: smart bike helmet, Functions: taillight, turn signal, call function, music via Bluetooth, SOS function, walkie-talkie function. Battery: up to 10 hours, Bluetooth: Yes, Speakers: 2x 0.5 watts, Size: 58-62 cm head circumference, Weight: 320 g, Color: matte black.