Smith Optics I/O Recon Goggle MOD Live Technology displays speed, jump analytics, vertical, altitude, distance, location and much, much more Integrates via Bluetooth Technology to most smartphones Goggle features Med to Large Fit, helmet compatibility, Quick Release Lens System, 5X Anti-Fog Inner Lenses, Patented Vaporator Lens Technology with Porex and more Includes goggle with MOD Live, 2 Spherical Lenses, Microfiber Goggle Bag and Protective Hard Case Manufacturer's Lifetime Warranty