Universal Qi Wireless Charging Receiver Kit For Micro USB Cellphone Description: Ultra thin design, compact and portable, without increasing additional weight of the mobile. Energy card can be attached at the phone all the time without removing it frequently and would not interrupt the normal use. Minimal impact on cost without needing to purchase external wireless power accessories or integrated modules into the device. Easy to assemble and disassemble ~ only 3 steps: Take off the back cover ~ plug in the micro usb head ~ put on the back cover. This receiver needs to work with Qi wireless charging pad (not included). It is only can be used with Qi standard charging pad. WPC Qi compliant wireless receiver special design for mobiles using the micro usb head. This is the most efficient way for device to become wireless power ready. Feature: Type of interface: Wide interface down/ up (Please make sure that you choose the right type of interface that matches your cellphone, otherwise the receiver won't work.) Charging type: battery (one-to-one charging ) AC/DC adapter input: 100-240v 50/60Hz Charging frequency: 100-200KHz Power distance: 5mm Output: 1000mA Input: 5V-2A Color: Black Instructions: 1. Plug in the micro USB of the phone, then place the coli above the battery and close the back cover; 2. Make sure that your mobile is using charge cable with micro USB head and it is located at the centre of the mobile; 3. Rechargeable machines with QI flag placed in the charging area; 4. Place it to the charging area after charging. 5. If no charging occurs; adjust the position to be charged. Package included: 1*QI Wireless Charger Receiver More detail: