Fashion Sport Smart Watch Waterproof smart ring for men with earbuds

Advantages and features: (Plan: Manred, APP: I Band)
1. The ceiling of cost-effectiveness in private model models, with
2 fewer competitors in the market, True blood oxygen, blood glucose, heart rate, blood oxygen, blood pressure (supports out of hand monitoring: no data from aerial testing)
3, high fidelity speaker
4, rotary encoder

Common specifications:
1,1.85 inches, 240 * 284 resolution
2, Main control chip: Zhongke Lanxun
3,230mAh battery (range 3-5 days, standby 15-20 days)                                                                                                          
4. Color: black, pink (customizable colors)