WHOOPSuperKnit – Compatible 5.0/MG, One, Peak, Life – ECG Compatible, Signature Performance Knit Accessory – Not Compatible with Gen 4

WHOOP SuperKnit – Compatible with One, Peak, & Life NOT 4.0 – ECG Compatible, Comfortable, Signature Performance Knit Accessory for Health & Fitness Wearable – 24/7 Activity, Sleep, Recovery Tracker

WITHINGS Body Smart - Accurate Scale for Body Weight and Fat Percentage, Body Composition Scales Wi-Fi and Bluetooth Weight Scale, Apple Health / Google Fit Compatible, Digital Bathroom Scale