9.
Battery Charge
-The empty battery mark will display when the battery low or runs out.
-The whole charging process will normally take 1 or 2 hours.
-A full charged tracker should last for approximately 4-5 days.
Note: Please charge the battery at least once a month to prolong battery life even not use
the activity tracker for a long time.
10 . Specification
Product Name: J-STYLE Wireless Wristband Ac Sleep Tracker
Size:
Main body:38*15.5*11mm
Wristband:235*19mm
Weight: 108 g
Battery: rechargeable lithium polymer battery
Display: 0.91’’ OLED
Data Memory: 30 days
Walking distance: Max 999.99km
Calories burned: Max 9999.9kcal
Activity time: 99h59min.
