GT4 Pro 1.47″ nutikell HD Bluetooth Calling veekindel Sports Bracelet Heart Rate Blood Oxygen Monitoring – hõbe

• 1.47 inch super clear large screen with ultra-narrow bezel, the best screen choice for round screen style, the ultimate viewing level
• HD Bluetooth calling, while solving the problem that the phone sound will come out from the watch in non-call situations
• Dynamic heart rate and running can also be accurately measured
• True blood oxygen, is verifiable (blood oxygen values will drop when holding your breath)
• True IP67 waterproof, true 1m water depth for 30 minutes, almost no wading problems
• Liquid silicone strap with a latex effect, no greasy or dusty

Specifications:

• CPU: 5515
• Internal storage: 256KB RAM + 1024KB ROM
• External flash expansion: 128Mb
• Display: 1.47-inch full-circle, full-color, full-view TFT
• Resolution: 360*360.
• Touch screen: capacitive full touch screen; full lamination
• Bluetooth: BLE Ver5.1 and BT3.0 2-in-1
• Heart rate sensor: supports dynamic heart rate, measuring 36 levels of black skin; original phase 8009
• Blood oxygen sensor: support
• Battery: 220mAh Li-ion polymer battery
• Bluetooth connection standby: about 30 days  
• Normal use: 5-7 days
• Pedometer: Support
• Motor: Support
• Microphone: Support
• Speaker: Support
• Buttons: Power button & Function button
• Encoder (rotary button): Support
• Charging method: Magnetic charging cable; DC5V – 150mA
• Dust and waterproof rating: true IP67 (1m water depth, 30 minutes)
• Electrostatic protection level: contact 4KV, air 8KV