-Location tracking with GPS / LBS / Wi-Fi 
-SOS button (telephone connection) 
-Two-way telephone communication
-Voice chat
-IP67 waterproof (short-term immersion in water for up to 1m deep)
-Voice assistant
-Handsfree function
-Heart rate monitor (with data transfer)
-Pedometer
-Economical energy consumption
-Compatible with Android 4.4+ and iOS 8.5+
-Hypoallergenic strap

-0.96 '' color LCD
-5 sports modes
-Heart rate monitor
-Degree of protection IP67 (can tolerate short-term water immersion to a depth under 1)
-90 mAh battery capacity
-Sedentary reminder
-Remote camera control 
-Remote player control
-Smart activation
-Long battery life
-Compatible with iOS 8.5+ and Android 4.4+
-Compatible with mi4 bracelets

-IP65 waterproof (protection from drops)
-Sleep and activity monitor
-Call notification
-Smart wake-up
-Heart rate monitor
-Long life battery
-Sedentary reminder
-Compatibility with iOS and Android OS

-Colourful 0.96" TFT display
-IP68 waterproof (full protection)
-Multisport mode
-Sleep monitor
-Long battery life
-Sedentary reminder
-Compatibility with iOS and Android OS

-0.96" TFT color screen
-IP67 waterproof
-Multisport mode
-Monitoring of daily activity and sleep
-Sedentary reminder
-Compatibility with iOS and Android OS

-0.96” colour LCD screen
-IP65 waterproof (protection from drops and spills)
-Sleep and activity monitor
-Notifications about calls, SMS, emails, calendar events
-Smart wake-up
-"Find your phone" function
-Weather alerts
-Long life battery
-Multi-sport mode
-Compatibility with iOS and Android OS