"Notice:These batteries does come with NFC (Near Field Communication) Feature"You do not need a special back cover to use this batteryThis package is specifically designed for the cellphones we list here, if your cellphone is not in the list , then it's not for you.=============================================1)Universal USB/AC Charger:* This is an universal charger , which can charge virtually all smartphone li-on batteries in the market.* The top panel could be slided and the metal contact pins are also moveable.* You can slide it back and forth to fit virtually any size of Li-On batteries in the market.* You only need 2 pins to charge a battery.Here is the instruction:* To Charge the battery for Samsung Galaxy Note Edge , allow the 2 metal pins on the charger to touch the 1st and the 3rd contacts of battery. * For other batteries, it's not necessarily to be the 1st and 3rd though, please refer to the user manual.* You should see the LED light turn blue on the charger, that means the contacts has been firmly connected.* Now you could plug in the charger with the battery into a power socket.* The LED Light will turn Red when charging the battery, turn blue to indicate the battery is fully charged.* Input: AC 100-240V 50/60Hz 150mAh.* Output: DC 4.35V 600mAh ¡À 50mA.* USB Port Output: 5.2V 1000mAh.2)4400mAh NFC Excellent Replacement Li_ion Battery: * Brand: Deep Stretch .* NFC Capabilities .* High quality Li-Ion battery.* Battery Type: Lithium Ion.* Battery Capacity: 4400mAh . * Voltage: 3.85V. 3)Folding Bracket: * Color: as shown in picture. * Material: durable& lightweight plastic. * Size: 5.2cm x 3.5cm. * Sits your Android Smart phones in a stylish way. * Creative 2-stage stand and adjustable design * Suitable for your smartphone or tablet upto 8".