商品详情
保修说明:1 YearFitbit Charge 3 helps you know your body and understand your health so you can take action to improve yourself.Feature : - 24/7 HEART RATE : Use 24/7 heart rate to better track calorie burn, optimize workouts and uncover health trends. - FITBIT PAY : Add your cards to the Fitbit app to make easy, secure payments from your tracker. - SMART, SHARP TOUCHSCREEN : A large, backlit display that automatically adjusts to lighting conditions makes it easier to see stats and notifications all day. - Gorilla® Glass 3 Screen Protector - SLEEP TRACKING & STAGES : Know how long you’re in Light, Deep and REM sleep stages, get nightly insights and learn how to get better sleep. - SWIMPROOF : Charge 3 is water resistant to 50 meters, automatically tracks your swims and can be worn in the pool or shower. - WIRELESS SYNC : Automatically syncs to computers and 200+ Android, iOS and Windows devices. Windows compatibility coming soon. - UP TO 7 DAY BATTERY LIFE : Enjoy a battery life of up to 7 days and access insights and inspiration all day and night.**Spelcifications :• DISPLAY : Touchscreen / Grayscale OLED• Connectivity : Bluetooth, Wi‐Fi, NFC• GPS : Mobile GPS• ACTIVITY TRACKED : Activity / inactivity, metabolic calorie, distance used, heart rate, sleep quality, sleep duration, step count, pace count, walking rate• HEART RATE : Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements• WATER RESISTANCE : Fitbit Charge 3 is water resistant to 50 meters. After swimming or 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. We do not recommend wearing Charge 3 in a hot tub or sauna • BATTERY AND POWER : Fitbit Charge 3 has a battery life up to 7 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. - Battery type: Lithium-polymer - Charge time (0-100%): Two hours - Radio transceiver: Bluetooth 4.0• MEMORY : - Saves 7 days of detailed motion data – minute by minute - Saves daily totals for past 30 days - Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other timesIn The Box • Fitbit Charge 3• Classic wristbands (both small & large) - Small 5.5″–7.1″ 140 mm–180 mm - Large 7.1″–8.7″ 180 mm–220 mm• Charging cable