Activity tracker met heel veel functies:
in de kleuren:
groen
rood verkocht
blauw
zwart verkocht

b05 smart bracelet function description:
function band screen bracelet (0.96 Inch tft)
heart rate detection
time display
step count
calorie
distance
display with screen standard
sports function (step, distance, calories)
sleep monitoring (sleep time, sleep quality)
incoming call notification
message push
anti-lost alert (mobile phone out of range alert)
specifications mobile phone system requirements:
android 4.4 And above
ios 8.0 Above
bluetooth 4.0 Bluetooth version:
bluetooth 4.0
Bluetooth chip: mcube st17h25
heart rate module:
hrs3300 screen display: 0.96 Inch/tft
battery capacity: 110mah
standby time: 15 days or so
working hours: 5-7 days
keys: touch keys
motor: built-in vibration alert charging
interface: usb line
waterproof rating: ipx7 sensor: gravity sensor