Withings Pulse O2 Activity, Sleep, and Heart Rate + SPO2 Tracker for iOS and Android (reg. $119.95) $79.99
Ahorra: $39.96 (33%)
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* Activity tracking: steps, elevation, distance, running and calories burned
* Wear it your way: clip and wristband included
* Vital signs reading: instant heart rate and blood oxygen level
* Sleep monitoring: sleep cycle analysis, wake-ups, total duration
* Real-time coaching: in the free Health Mate app (iOS/Android)