Features

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General
Model Number CRS-B19  NYX-B10  CRS-B19S 
Model Name Band 4  Band 3  Band 5 
Reading Type Digital  Digital  Digital 
Ideal For Unisex  Unisex  Unisex 
Material Silicone  Silicone  Silicone 
Suitable For Sports, Fitness  Fitness, Lifestyle  Health, Lifestyle 
Touch Enabled Yes Yes Yes
Water Resistant Yes Yes Yes
Water Resistant Rating 5ATM 
Function Display Time/Date, Alarm Clock, Incoming Call NotificatioView More... Show Time/Date, Smart Alarm Clock, Notifications and AlerView More... Display Time/Date, Smart Alarm, Event, Call and Text AlerView More...
Indicator Type Vibration  Vibration  Vibration 
Compatible Devices iPhone, Android Phones  iPhone, Android Phones  iPhone, Android Phones 
Sales Package Smart Band, Charging Dock, Charging Cable, User Manual  Smart Band, Charging Unit, User Manual  Smart Band, Charging Dock, Charging Cable, Quick Start GuView More...
Dial Shape Rectangle 
Performance Features
Activity Tracker Present Yes Yes Yes
Activity Tracking Function Monitor Real-time Heart Rate, Step Count, Sleep, DistanceView More... Heart Rate, Tracks Steps, Distance, Calories Burned, SleeView More... Monitor Heart Rate, Daily Step Count, Distance Covered, CView More...
Sensor Type Six-axis Sensor with 2012 Motion Algorithm  3-axis Accelerometer, Detached PPG Cardio Tachometer, InfView More... 6-axis Accelerometer, Infrared Wear, Gyroscope, Optical HView More...
Compatible OS Android & iOS  Android, iOS  Android & iOS 
Heart Rate Monitor Present Yes Yes Yes
Shock Resistant Yes Yes Yes
Water-Resistant Depth 50 m  50 m  50 m 
Technology Used Huawei TruSleep Sleeping Monitoring Technology 
Connectivity Features
Wifi Enabled No  No  No 
Bluetooth Enabled Yes Yes Yes
Bluetooth Version v4.2  v4.2  v4.2 
Wireless Options Sync Wirelessly  Sync Wirelessly  Sync Wirelessly 
Display & Battery Features
Display Type AMOLED  PMOLED  AMOLED 
Display Resolution 240 x 120 Pixels  240 x 120 Pixels 
Backlight Present Yes Yes
Battery Life 17 Days  30 Days  14 Days 
Battery Type Lithium Ion  Lithium Ion  Lithium Polymer 
Charge Time 1.5 hrs  1.6 hrs 
Additional Features
Other Battery Features 100 mAh Lithium Polymer Battery  100 mAh Battery 
Other Display Features AMOLED Full Color Display, Display Made Entirely of 2.5D View More... AMOLED Color Display 
Other Features Continuous Heart Rate Tracking, Ergonomic Design ComfortaView More...
Dimensions
Weight 23 g  18 g  22.7 g 
Other Dimensions Body Size: 43 x 16.5 x 10.3 mm 
Warranty
Warranty Summary 1 Year Manufacturer Warranty  1 Year Manufacturer Warranty  1 Year Limited Manufacturer Warranty 
Service Type Carry In  Carry In  Carry In 
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects 
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage 
Domestic Warranty 1 Year  1 Year  1 Year