H91 1.47 inch HD Screen Smart Watch Multi-Sport Mode Fitness Bracelet Waterproof Health Watch with Heart Rate / Blood Oxygen Monitoring - Black

• Full Screen Broaden The Horizon: 1.47-inch Retina HD display with high pixel density brings visual shock and delicate display, broad vision, and richer picture details
• Rotary Button Easy Control Interface: Rotate the button to enlarge and reduce the menu and change the dial
• Monitor Health Stay With You: Help to cultivate good habits; it can also monitor heart rate/blood oxygen, and inform you in time when abnormal conditions are detected. so as to protect your health
• Give You Close Care: Easily record the time and symptoms during the physiological period give thoughtful advice and never have to snap your fingers again
• IP68 Waterproof Swimming is Fearless: Support washing hands/getting wet in the rain/swimming to meet the needs of daily life

Specifications:

• Display: 1.47 inches
• Screen Type: TFT
• Middle frame material: plastic
• Shell material: glass
• Wristband Material: TPU
• Main chip: RTL8762CK
• Accelerometer: support
• PPG Heart Rate Sensor: 3300
• Touch IC: 816S
• Touch method: full touch
• Physical button: 1
• Motor: Flat motor
• Display: TFT IPS full viewing angle
• Resolution: 172*320
• Flash size: 128MB
• Bluetooth-compatible version: BLE5.1
• Bluetooth-compatible Antenna: FPC Soldering Antenna
• Battery Type: Polymer
• Battery capacity: 125mAh 3.7V
• Charging method: Magnetic suction line charging DC-5V <current greater than 0.5A>
• Charging time: about 1 hour
• Waterproof grade: IP68