Fitbit Luxe Fitness and Wellness Smartwatch, Lunar White/Soft Gold Stainless Steel

ColorLunar White/Soft Gold Stainless SteelSensors & Components3-axis accelerometer
Optical heart rate monitor
Vibration motor
Red and infrared sensors for oxygen saturation (SpO2) monitoringMemorySaves 7 days of detailed motion data, minute by minute
Saves daily totals for past 30 days
Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other timesWater ResistanceWater resistant to 50m. After getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry.MaterialThe Luxe housing is made of stainless steel. The Luxe band is made of a comfortable silicone (similar to that used in many sport watches) and fastens with an anodized metal buckle and tang. The special edition gorjana Parker Link Bracelet is made of stainless steel and comes with a peony silicone band.Heart RateLike all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.Environmental RequirementsOperating temperature: -4 Degree to 113 Degree F (-20 Degree to 45 Degree C)SyncingThe Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:

Apple iOS 13.3 or higher.
Android OS 8.0 or higher.
Syncing range: Up to 30'
Certain features like smartphone notifications may require Android 7.0+Syncing (Contd.)Syncing requires Bluetooth LE and internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, Android 7.0 and later.Battery & PowerBattery life of up to 5 days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. We recommend charging your tracker every few days to ensure you are always tracking.

Charge time (0-100%): Two hours
Radio transceiver: Bluetooth 4.2Battery InfoRequired, includedBattery MaterialLithium-polymerBattery Quantity1Battery TypeCR1632Dimensions (L x W x H)1.43 x 0.69 x 0.4" (3.63 x 1.75 x 1.01cm)
Band Size:
Small: 5.5 - 7.1" (13.97 - 18cm)
Large: 7.1 - 8.7" (18 - 22cm)