Turn on the Fitbit and confirm the phone's Bluetooth is enabled. Ensure your Fitbit device and phone are close. Open the Fitbit app on your phone and tap Today. Press and hold the screen and pull down ...

Fitbit launched its second generation fitness tracking device, called Fitbit Ultra, which features new metrics and wireless features. The company also announced the launch of its first iPhone app.

I've been wearing the Fitbit Air for two weeks, here's my verdict ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. June 5, 2026 Add as a ...