Get better results from your workout routine with this thin, lightweight fitness smartwatch. Level up with Premium. Premium opens up a whole other world of Fitbit with deeper insights to help improve your fitness. Wake up more energized and better understand your rest with a Sleep Score, and tune into your mind with a Stress Management Score.BUNDLE INCLUDES:1 x Fitbit Versa 4 (Black/Aluminum Graphite)1 x Classic black band (small and large)1 x Charging cable1 x White band (small and large)1 x Blue band (small and large)2 x Screen protector1 x Premium microfiber clothSPECS & FEATURES:- Multi-path optical heart rate sensor- Red and infrared sensors for oxygen saturation (SpO2) monitoring- Altimeter- 3-axis accelerometer- Ambient light sensor- NFC- Built-in GPS + GLONASS- Vibration motorThere’s even more to love with Versa 4…LEARN YOUR SLEEP STYLE – Get a monthly breakdown of 10 key sleep metrics and learn how to get better rest with your Sleep Profile**KNOW YOUR BODY BETTER – See your trends for SpO2, breathing rate and more in the Health Metrics DashboardUNDERSTAND YOUR STRESS – Know how your body is handling stress with a daily score based on your heart rate, activity, and sleep patternsCHECK FOR SIGNS OF AFIB – Get Irregular Heart Rhythm Notifications, then easily share this information with your doctorWORKS WITH YOUR PHONE – Versa 4 is compatible with most popular phones and tablets running on the latest version of Android and iOSGET REMINDERS TO MOVE – Get friendly reminders that encourage you to stretch your legs and take 250 steps every hourEASILY PAY HANDS-FREE – Pay from your wrist at retail stores or transit stations that accept contactless paymentsASK YOUR VOICE ASSISTANT – Use Amazon Alexa built-in to ask questions, set alarms, check the weather, and more **Requires Fitbit Premium membership