CALLIE M2 Blackl Fitness Band/Fitness Tracker/Heart Beat/Pedometer Sensor(Black Strap, Size : free)

it accurately tracks your steps, phases of sleep, weight, etc. The extended data in the âStatisticsâ menu will enable you to learn more about your body, as well as to view all the characteristics for a certain period - A day, a week, a month. This enables you to see your progress, which will inspire you to move forward. the contact part of the wristband will give you pleasant tactile sensations while wearing. The environmental-friendly hypoallergenic material of Mi Band HRX does not block the skin breathing, which reduces the likelihood of discomfort under the strap. The contact part of the wristband will give you pleasant tactile sensations while wearing. The environmental-friendly hypoallergenic material of the band does not block the skin breathing, which reduces the likelihood of discomfort under the strap.