Fitbit One Wireless Activity and Sleep Tracker in Black offers a comprehensive way to monitor your daily health metrics. This compact device tracks steps taken, distance traveled, calories burned, and even stairs climbed throughout the day. At night, it transitions to monitoring your sleep quality and can wake you with a silent, vibrating alarm. The tracker syncs wirelessly to your computer or smartphone, allowing you to view detailed charts and progress via the Fitbit app. Designed to be worn discreetly, it comes with a silicone clip for attaching to clothing and a comfortable wristband for nighttime use.

New and factory sealed. Untested

Keywords: Fitness Tracker, Pedometer, Sleep Monitor, Health Tech, Wearable, Bluetooth, Activity Tracker, Step Counter, Calorie Tracker, Wireless Sync, Fitbit One, Black, New In Box, Wellness, Biohacking