This app requires J-Style BLE Activity Tracker and iPhone 4s or newer. Get you J-Style device from J
看更多 »J-Style Health
J-Style Health
Maintain your Fitness, Get Active, Sleep Better, Accurately Monitor your pulse
看更多 »1
This app requires J-Style BLE Activity Tracker and iPhone 4s or newer. Get you J-Style device from J
看更多 »Maintain your Fitness, Get Active, Sleep Better, Accurately Monitor your pulse
看更多 »