fitness tracker heart rate monitor blood oxygen monitor pedometer waterproof smart watch for android ios cnbro <b>v5 smart watch parameters:</b><br> applicable platform: android platform, apple ios platform<br> applicable people: adults, the elderly, fashion, the public<br> screen size: about 1.3 inches<br> appearance size: about 35*39*260mm/1.38*1.54*10.24in<br> material: zinc alloy shell + silicone belt<br> body memory: 128kb<br> wearing method: wrist strap<br> mode of operation: touch<br> interface: usb 2.0<br> wireless distance: 5m (inclusive) -10m (inclusive) <br> chip: nodic 52840+ti4900<br> 64kb ram+512kb flash bl4.0<br> vibration: support<br> waterproof: ip67<br> bluetooth: 4.0<br> case material: zinc alloy<br> strap material: silicone (mila optional) <br> product weight: about 45g<br> battery capacity: 200mah<br> standby time: 10 days, normal use for 5 days<br> charging method: magnetic charging<br> charging time: 2 hours<br> wrist strap size: about 240mm/9.45in<br> case size: about 12.9mm/0.51in(thickness) * 35mm/1.38in (width) * 39mm/1.54in (length) <br> unit weight: about 0.25 kg<br> list: v5 watch*1, charging cable*1, manual*1, box*1<br> <b>notes:</b><br> this smart wristband is not a medical device.<br> all health data is read by the sensor, the data is deviated from the actual, only for reference.<br>