Garmin, Index Sleep Monitor, S/M, ANT+, BT

Description

* How did you sleep? Find out with the Index Sleep Monitor . Comfortable, lightweight and worn on the upper arm, this smart sleep band helps you better understand how your body recovers by capturing sleep -tracking and recovery metrics as well as advanced women’s health data (data presented is intended to be a close estimation of metrics tracked). Plus, get up to 7 nights of battery life.