This h11 ultra plus (h11 ultra+) series 8 smart watch is your best bet and your satisfaction is guaranteed. battery testing and parameter values testing have been proved reliable with close to accuracy.
specifications:
model: h11 ultra plus (h11 ultra+)
app: qifit
colour: grey
operating system compatibility: android, ios
ram: 64mb
rom: 128mb
bluetooth: 3.0 / 4.0
android 5.0+ / ios 8.0+.
screen size: 2.01 inch tft 240 x 296
battery size: 450mah (lithium polymer battery, theoretical working time: 6 to 7days; battery life on power saving mode: 30 days)
charging method: magnetic wireless charging
water proof grade: ip68
display type: tft
case material: alloy metal
features: - mp3 playback
you should download app using the square qr-code app download link on the screen.