Bluetooth Smart Watch with heartrate, blood pressure & oxygen sensor and call function � Bluetooth Smart Watch with 1.44� full touch TFT screen � Resolution: 128x128 pixels � Track your sport performance, monitor your daily acticvity and sleep � Built-in heart rate sensor, blood pressure (not medical grade) and blood oxygen sensor � Multi-sport mode: Running, jumping jacks, situps and walking � Display SMS, calls & social media activity � Bluetooth phone call from the watch - Built-in speaker & microphone � Remote shutter and music control of smart phone � Wristband minimum circumference: 14CM, maximum 20.5CM � 150mAh rechargeable battery - Working time up to 30H