What is the difference between the models of Smart Swim goggles?
| Smart Swim 1 | Smart Swim 2 | Smart Swim 2 LT | Smart Swim 2 PRO |
Heart Rate with Polar Sensor (sold separately) | Integrated Heart Rate | Heart Rate with Polar Sensor (sold separately) | Integrated Heart Rate |
| Regular lens, mirrored | Regular lens, mirrored | Regular lens, mirrored | Corning® Gorilla® Glass 3, mirrored |
| Anti-fog Coating, factory-applied | Anti-fog Coating, factory-applied | Anti-fog Coating, factory-applied | Anti-fog spray included |
| Regular Strap Mount | Extended Strap Mount | Extended Strap Mount | Extended Strap Mount |
| Strap Length 1000mm +/- 2mm | Strap Length 840 mm | Strap Length 840 mm | Strap Length 840 mm |
| Original Techpack | Compact Techpack (15% smaller) | Compact Techpack (15% smaller) | Compact Techpack (15% smaller) |
| Classic Eye Seals | Proprietary Eye Seals | Proprietary Eye Seals | Proprietary Eye Seals |
| 16hrs Battery Life | 14hrs Battery Life | 14hrs Battery Life | 14hrs Battery Life |
| 1-Sided Ventilated Case | 2-Sided Ventilated Case | 2-Sided Ventilated Case | 2-Sided Ventilated Case |
| 65g weight | 69g weight | 68g weight | 73g weight |
| UV Rating UPF 50+, blocks 98% of UV rays | UV Rating UPF 50+, blocks 98% of UV rays | UV Rating | UV Rating UPF 50+, blocks 98% of UV rays |