The 4 LED Lights to show the power of battery. See below tips:
One light: less than 25% power
Two Light: Between 25%-50% power
Three Light: Between 50%-75% power
Four full Light: 100% power
Size & Weight
The size of this power Bank is 117(L)*39.5(W)*24.5(H)MM.
Total weight is 180G
What you get
1 x 5200mAh power bank for apple watch and cell phone
1 x Micro USB Charging Cable
1 x User Manual
--Before using, please read use manual carefully to make operate correctly.
--It would be better to give power Bank fully charged when you first use.
--Make sure this power bank far away from moist and corrosivity environment
-- Do not allow disassembly, strike or extruding. Please do not put this power bank in sunshine or combustion source.