Sizing Guide
Use this guide to make sure you select the right-sized
band for your wrist when purchasing your new device.
Small Band
for a wrist circumference between 5.0–6.8” / 127–172 mm
Large Band
for a wrist circumference between 6.1–8.7” / 155–221 mm
Step 1
Step 2
Step 3
Step 4
Print out the guide
Cut along the dotted
Wrap the paper bands
Choose the size that
at 100 percent.
lines below the bands.
around your wrist.
fits your wrist securely.