... strong glass ,and it have a LED light can indicate how many battery capacity remains when you are charging and discharging.1 ... ), we use female connector, so you only need one cable for charging and discharging, easy to take.8) 5000mAh Capacity buildin ... your mobilephone and your ipad full one time9)circuit protection for Overload, overvoltage, and overheat10) CE,RoHS ,FCC compliant..u portable ...