Features: 
Bluetooth phone (Watchmaking phone calls)
Compass
Altitude
Music playback control
The weather forecast
Voice assistant
Information reminder
Remote control picture
Anti-loss
Stopwatch
SOS
The alarm clock to remind
Small games
Women's Health
Health Blood Pressure
Blood Oxygen
Heart Rate
Pedometers, Calories
Sleep monitoring
Female Assistant
Exercise and Record Multimotion Mode
Running, cycling, basketball, football, mountain climbing, jumping rope, dancing, yoga, rock climbing, boxing and other 120 sports modes
Sedentary remind
Drink water to remind
Calories Burned
Technical Parameters
Waterproof IP67 (Swimming and showering are not supported)
Screen Size: 1.99 inch
Type: Full Touch Screen (COB) G+F
Resolution: 320*386 pixels
Battery Capacity: 250mAh
BLE - The connection lasts 6-10 days, Dual Bluetooth connection lasts about 3-6 days Connect to use time, according to personal use), Theoretical standby 15 days. Talk continuously or play music for 5 hours
Charging Time: About 180min
Charging Type: Magnetic charging
Material Watch Case: Zinc CNC Processed + PC cover Watch Strap: TPU + Food Grade Silicone Strap + Silver Steel
Size Diameter: 44 x 13mm
Band Width: 22 mm
Wrist Circumference: 245 mm
Weight: 50g with a wristband and 30g without 

Specification:
Brand: BlitzWolf 
Model: BW-GTC3
Bluetooth Version: BT3.0, BT5.1
Compatible OS: Android 5.0 or above; iOS 9.0 or above
Sensor: Silan SC7A20, HRS3300 Heart Rate+Blood pressure
Touch screen: All touch
The keys: The switch machine key+Return key+Rotary encoder
Chip: Realtek 8763
APP Name: Da Fit
APP Language: English, German, French, Arabic, Czech, Greek, Spanish, Japanese, Italian, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Thai, Hungarian, Turkish, Hebrew, Danish, Hindi, Korean, Indonesia, Mexico, Hindi, Korean, Indonesia, Mexico, Romania
System Language    English, German, French, Italian, Spanish. Japanese, Polish, Russian, Portuguese, Korean, Vietnam, Arabia, Hebrew, Thai, Ukrainian, Turkish, Persian, Malaysian, Vietnam