Wireless Calling Women Smartwatch 1.2 Inch AMOLED Screen Double Straps Health Monitoring Smart Watch Item Type: Smart Watch Material: Stainless steel, plastic, silicone Display Size: 1.2'' Ultra HD AMOLED Display Display Resolution: 390*390 pixels, 326 PPI, Up to 1000 nit Brightness Sensor: 3-Axis Accelerometer and 3-Axis Gyroscope Sensor. Battery Capacity: 200 mAh Li-pol battery. Battery Life: Battery Saver Modes: Up to 14 days; Typical Usage Modes Up to 7 days; Heavy Usage Modes: Up to 5 days; Continuous Voice Calling: Up to 285 mins Charging Time: About 1.5 hours Voice Calling Features: One Touch to Connect, Voice Calling, Voice Assistant, Dial Pad, Recent Call, Contact, Call Rejection. Theme StyleCellular, List, Tile. Clock Features: Time/Date, Automatic Daylight Saving Time, Stopwatch, Timer, Alarm and Time Setting. Health Monitoring: Wrist-based Heart Rate (Constant, Every Minute), Daily Resting Heart Rate, Breathing Training, Women's Health, Sleep Score and Insights, and Calorie Burn Tracking. Daily Smart Features: Smart Notifications(Call, Text, Gmail, and Smartphone App Notifications), Weather Sync, Controls Smartphone Music and Camera, Find My Phone and Watch, Do Not Disturb Modes, Sedentary alert. Drink water reminder, Calendar, Calculator, Business Card. Activity Tracking Features: Activity Record, Step Counter, Standing, Move Bar (Displays on device after a period of inactivity; Walk for a couple of minutes to reset it), Auto Goal (Learns your activity level and assigns a daily step goal), Calories Burned, Real-time Pace & Distance. APP Sync: 130+ Size: Approx. 38.8 x 38.8 x 10.5mm/ 1.5 x 1.5 x 0.4in Weight: Approx. 34.6g/ 1.2oz (with wristband)/ 21.6g/  0.8 oz (without wristband)