# Why WHOOP

### Distraction-free design

WHOOP has a minimalist, screen-free design to help you focus when it matters most–without any pings, distractions, or unnecessary bells & whistles.

WHOOP also auto-detects activity, so you can ‘start and stop’ without tapping any screens.

## Track every metric that matters

WHOOP measures the metrics scientifically proven to make the most significant impact on your health. It also outperforms other leading wearables delivering over 99% heart rate and HRV tracking accuracy and gold-standard sleep tracking.

[EXPLORE THE METRICS](/content/us/en/how-it-works/index.html)

### The most customizable wearable

Create a look that’s uniquely you, or wear WHOOP off-wrist with all-new WHOOP Body Smart Apparel for any sport, profession, or lifestyle with WHOOP Body Smart Apparel like sports bras, swimsuits, boxers, and more.

## Stay charged for 14+ days

Power up fast and stay charged for 14+ days. WHOOP is the only wearable you can charge while you wear it with a wireless and waterproof battery pack, so you never miss a second of data.

## Trackers tell you what you did    WHOOP tells you what's next

### Learn exactly what works for you

WHOOP is the only wearable that lets you customize what you track. Choose from 140+ behaviors and habits, from meditation to medication, to discover how they impact your overall health.

### Get coached towards your goals

Choose a plan for the week based on what you need most — whether that's maintaining your fitness, or getting more sleep.

Once you set a goal, WHOOP provides you with personalized recommendations on how to reach it, including key behaviors to incorporate into your routine, and optimal strain and sleep targets.