Carv is compatible with almost all commonly used, commercially available wired and wireless headphones that work with your phone. If you are using Bluetooth headphones, and have multiple devices connected to your phone via Bluetooth, you may need to disconnect some of the other devices.
Carv works with:
Wireless headphones using bluetooth
No headphones (you can still get the data, videos and text tips!)
Don't have headphones? Discover a few headphones that work well with helmets: