M2S Smart Band IP67 Waterproof Watch 0.91" OLED TPU Fitness Tracker Clock Anti-Lost Passometer Smart Bracelet

• Real-time blood pressure monitoring, control your own health
• Photoelectricity heart rate sensing technology, can directly measure the heart rate information under the wrist skin, time is short, high accuracy
• Blood oxygen referred to as SPO2H, refers to the blood of oxygen, the higher the oxygen content in the blood, the better the metabolism of people, normal blood
• 24 hours monitoring from this time onwards
• Support Twitter, Whatapp, information and other push message reminder

Product Parameters
Main chip: Nrf52832
Screen: 0.96 inch OLED large screeen dispaly
Battery: 80mAh lithium polymer battery
Life time: use 3-7days, the theory of standby 20 days
charging mode: Plug usb charging
Waterproof rating: 167level
Bracelet Material: PC plastic + Silicone rubber
Colors: Black, Red, Blue
Equipment requirements: Phone support Bluetooth 4.0Andiod 4.4 or later, IOS 8.0 and above