Google - Fitbit Air Fitness Tracker

⌚Ultra‑Lightweight & Low‑Profile Design:Comfortable enough for all‑day wear, discreet enough for any setting. The sleek form factor disappears on your wrist.
🔄Easy‑Swap Versatile Band System:Change bands in seconds to match your activity, outfit, or mood. From sport loops to leather straps, the options are endless.
❤️Core Health & Fitness Tracking:Step count, heart rate, sleep monitoring, active zone minutes, and guided breathing sessions. All the essentials you need to stay on track.
🎨Open Accessory Design Guidelines:For the first time, Google Fitbit is releasing hardware specifications and design blueprints to the public. Independent designers, artisan makers, and custom accessory brands can now create bands, clips, and mounts for the Fitbit Air.
🔋All‑Day Battery Life:Keep tracking without constant recharging. A single charge keeps you moving for days.