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THERE ARE specially designed for Samsung Galaxy S3/S4.
Ultrathin design, compact and light weight without increasing additional weight of the S3.
Adding wireless charging feature by piggybacking it on the battery of S3/S4, it works well with any Qi-enabled charger.
Easy to use.
The receiver can be attached to the the battery all the time, and it would not interrupt the normal use of the S3/S4.

 
NOTE YOU CAN FIND S3 AND S4 RECEIVER ARE DIFFERENT FROM OUR LINK PICTURES, AND THERE PRICE AS FOLLOWING: 
FOR S3 QI WIRELESS RECEIVER: USD8.19/PC, FOR S4 QI RECEIVER USD8.99/PC MOQ 10PC

 

How to use it : 
Step 1: Open the back cover of the Samsung Galaxy S3/S4;
Step 2: Stick the receiver card to the mobile phone's battery and the two protuberant touch points must touch the two recesses next to the battery;
Step 3: Close the back cover;
Step 4: Place the mobile phone onto the Qi wireless charging pad (not included).

Note: The receiver  needs to work with the Qi wireless charging pad 

Specifications:

Input power: WPC5W
Output: DC5V/700mA (Max)
Charging current: DC5V/500mA (Max)
Charging time:about 5 hrs
Reaction temperature: -10 ~ 40 degree
Working heat up range: below 20 degree (ambient temperature below degree)

Working ambient humidity: below 80%
Working life: Charge & discharge above 4000 times
Size: 62 * 45 * 1mm / 2.44 * 1.77 * 0.04in
Weight: 5g / 0.17oz


OEM ORDERS WELCOME!!!!!!!!1