OP-0

Beta Test for use with leet protocol at 20–25ºC:

1. Use a phone with NFC (iOS 18 or Android 13)
   
   
2. Calibrated for indoor treadmill running
   
   
3. Leet protocol: 8x4 min progress, 1 min recover

Only Beta Testers can buy OP-1 on Feb 2026.

The package includes one wearable with an armband. You will be on the VIP list for first-in-line to order the OP-1 and get free access to a WhatsApp group with elite coaches.