GPS
Over 30% larger display
Electrical and optical heart sensors
Digital Crown with haptic feedback
50% louder speaker
S4 SiP with faster 64-bit dual-core processor
Improved accelerometer and gyroscope for fall detection
Swimproof
watchOS 5
Aluminum case
Nike Sport Band or reflective Nike
CompatibilityAlta ActivityTracker
Wrist Size5.5 to 6.7" (139.70 to 170.18mm) around
MaterialGenuine leather stainless steel
Width0.6" (15.24mm)
SizeSmall
Fitbit flex classic accessory pack includes a wide range of stylish colors
Fitbit flex has an interchangeable tracker so you can change colors to match your mood. Get the flex classic accessory pack and choose the color that matches your style.
Fitbit flex classic accessory pack includes a wide range of stylish colors
Fitbit flex has an interchangeable tracker so you can change colors to match your mood. Get the flex classic accessory pack and choose the color that matches your style.
Riversong Act HR Smart Band
OLED screen
Heart rate
Sleep tracking
Activity tracking
Alarm
Notification control
Camera control
Inbuilt USB charger
Application act HR
Fitbit Alta HRâ„c - Large wrist size - 170mm to 206mm Fitbit Alta HRâ„c features:
Automatically track your steps, distance, calories burned and active minutes
Get the power of continuous heart rate in the slimmer design on the market-all day, during workouts and beyond
Aut
Key Features
AttachmentWristband
CompatibilityAndroid
FeaturesBluetooth, Clock, Calorie Monitor, Average Heart Rate, Alarm
ColorBlack
ActivityFitness, Swimming, Gym & Training, Pilates
Single Charge Life (up to)5 Day