With BTCall Single Chip JieLi 

With 1.39" HD 360x360

With Rotatable Digital Crown Wireless Charge 

With Voice Assistant  

With 22 Sport Modes:Walking,Running,Treadmill,Hiking,Cycling,Spinning, Rower,Elliptical, Stair Climber,Skipping,Aerobic exercises,Cricket, Boxing, Yoga.Pilates,Workout,Golf,Badminton, Tennis, Table tennis, Skating, Gym

With answer or reject calls from your wrist synchronize 50 frequent contacts 

With 290mAH Battery