f18 smart watch men series 5 full touch ip67 waterproof fitness tracker bracelet band heart rate monitor smartwatch vs w68 w75

features: * 1.54 inch 240*240 ips colorful full touch screen * two sets of ui: dynamic ui / four-square grid ui * built-in 230mah battery,7 days of use, 30days of standby * ip67 waterproof and dustproof (you can wear it to raining, washing hands,and splashing water,but don't put it into water) * heart rate + blood pressure + blood oxygen + sleep monitoring. * bluetooth call,call reminder, sms reminder, alarm reminder, social app reminder(wechat, qq, whatsapp,facebook, twitter, etc.)...