SPECS:
-Wi-Fi, Bluetooth 5.0, GPS
-1.57 in Touch Display
-Water Resistant, 50 m
-Heart Rate Monitor
-SpO2 (Blood Oxygen) Monitor
-Altimeter, Calorie Count, Step Count
-S6 Processor with W3 (Apple -Wireless Chip) U1 Chip (Ultra Wideband) CPU

SPECS:
-Wi-Fi, Bluetooth 5.0, GPS
-1.57 in Touch Display
-Water Resistant, 50 m
-Heart Rate Monitor
-SpO2 (Blood Oxygen) Monitor
-Altimeter, Calorie Count, Step Count
-S6 Processor with W3 (Apple -Wireless Chip) U1 Chip (Ultra Wideband) CPU

GPS
-1.65” Display
-No Camera
-760 MB RAM
-Apple S3 Processor
-OS 4.0 Upgradable to 8.0
-Rectangular, Curved Dial
– Changeable straps
– Aluminium Body
– 1.66 Inch
– OLED
– 312 x 390 pixels
– Scratch Resistant
– Water proof
– Receive call
– Fitness Tracking
– Voice Control
– Upto 1 Day battery
– via USB,Wireless

GPS, GLONASS, Galileo, and QZSS

Compass
Always-on altimeter
Water resistant
50 meters1
Second-generation optical heart sensor
International emergency calling3
Emergency SOS2
Accelerometer
up to 32 g-forces with fall detection
Gyroscope
Ambient light sensor
Speaker
Microphone
Apple Pay
GymKit

-LTE Unlocked
-GPS
-1.78” Display
-No Camera
-1 GB RAM
-Apple S4 Processor

-Space gray aluminum case S1P dual-core processor
-Ion-X strengthened glass and composite back
-Accelerometer
-Gyroscope
-Splash-proof (water resistance rating IPX7)
-Bluetooth 4.2 and Wi-Fi (802.11b/g/n 2.4GHz)
-Wireless connectivity watch OS4