There is a small gap of 1mm or less between the outside of the band and the tracker. It looks purely aesthetic, does not affect functionality. The strap is a bit stiffer than the original strap, which makes it a little harder to put on, but doesn't affect comfort.
Track Your Oxygen Levels And Heart Rate With IProven Fingertip Pulse Oximeter โ Includes Battery, Case, And Lanyard In Blue
49 Review
Fast & Accurate Digital Ear Thermometer For Adults, Kids & Babies - IProven DMT-511 [Forehead & Ear Mode, LED Display, Fever Alarm And 35 Memory Slots]
44 Review
Accurate No-Touch Thermometer For Adults And Kids With Fever Alert And Memory Recall
47 Review
SadoTech Necklace: A Wireless Medical Alert System For Caregivers And Seniors
44 Review