TL;DR: The Fitbit Charge 6 tracks workouts, heart rate, sleep, stress, and more for $134.99 (reg. $159.95). A fitness tracker becomes more useful when its data follows you into the workout. The Fitbit Charge 6 can link to compatible exercise machines and display your heart rate in real-time for a more connected workout.

The special edition Fitbit Air works in tandem with the Pokemon Sleep app, so you can track your workouts and rested hours.

Luffu Link combines all day health sensing, voice logging, location awareness, and the ability to get help from trusted contacts into a single device, all without needing a phone nearby.

Fitbit co-founders James Park and Eric Friedman have launched a new wearable device called Luffu Link as part of their new venture.

Fitbit’s founders have launched Luffu Link, a $300 wearable that uses health sensors, LTE and AI to help families monitor health and safety.

The news comes as wearable giants like Whoop, Oura, Garmin and Google embrace increasingly sophisticated screenless devices that focus on serving as sensor packs that pair with smartphone apps.

The sleep tracking is excellent, and I’m embarrassed to admit I love Google's AI coach. But the faceless design isn't for everyone, and the AI has some issues.