Cardo Sync Duo

The Cardo Sync Duo allows you to connect with your loved one, your cycling group, your music and your phone on-the-go. Enjoy crystal-clear conversations and premium sound quality, all in a light and slim design that won't weigh you down. Powered by innovative Cellular Intercom technology, Cardo's app-based system allows up to 30 riders to stay connected across an unlimited range, requiring nothing more than a standard cellular signal. Cardo Sync’s open-ear design keeps you fully aware of your surroundings, offering a safe solution for your ride. Ride smarter, safer, and stay synced with every pedal. Hands-free group intercom: Talk to your friends and family on-the-go. For up to 30 users (phone and active service required) Phone connectivity: Listen to music, take phone calls, activate Siri/Google Assistance Clear audio: Wind-resistant microphone design for high-speed cycling Secure fit: Discrete positioning on the helmet strap Full-day battery: Up to 11 hours with quick-charge Sleek design and ultra-light: Performance that won’t weigh you down Universal compatibility: Integrates seamlessly with most open-face cycling helmets and helmet straps Water resistant: The IP54 rating means you can enjoy Cardo Sync come rain or shine Fits with eyewear: Adjusts to your equipment for ultimate performance Shimano connectivity: Device control via selected Shimano products Quick Specs Dual units inside the box IP54 water resistant Connects/updates via Cardo Connect App Weight: 19g Bluetooth® 5.4 Cellular Intercom for up to 30 users User-to-user range: unlimited Overall range: unlimited Audio: Cycling specific equalizer, ambient noise optimisation, wind noise reduction, automatic gain control Headphone type: Cycling open-ear true wireless stereo headset Voice prompt supports 11 languages Battery Play/talk Time: 11 hours Charging Time: up to 2.5 hours Fast Charge: 2 hours talk time after 20 mins Battery Type: Lithium Polymer Battery