Stay on top of your training with the Fitbit Versa 4 Smart Fitness Watch. It offers a Daily Readiness Score and suggested heart rate zones, tracks 40+ exercise modes, and shows real‑time pace and distance via built‑in GPS. Enjoy smart notifications, an integrated Alexa voice assistant, and a Find My Phone feature for paired smartphones. Monitor sleep with nightly Sleep Score, monthly sleep insights, and Smart Wake that rings during an optimal sleep stage up to 30 minutes before your alarm. Get up to 6 days of battery life on a slim, lightweight design, plus continuous health monitoring with 24/7 PurePulse 2.0 heart‑rate tracking, SpO2 monitoring, skin temperature variation, and high/low heart rate alerts. What's in the box: 1 device, 2 straps (Small and Large), and 1 charger.