ROLINE Qi Wireless Charging Receiver Pad for S4

Qi Wireless Charging Receiver Pad for S4 Qi is an interface standard for inductive energy transfer of the &quot;Wireless Power Consortium&quot;. Members of this consortium include, without limitation known companies such as HTC, Samsung, Nokia, Sony, and many others.<br /><br />How does wireless charging work?<br />For inductive charging requires two devices. A receiver (Qi compatible device) and a transmitter (charging station).<br />The power transmission is effected via coils which generate a magnetic field. Above this magnetic field, the receiver can accommodate up to 5W and thereby recharge the internal battery.<br /><br /><ul><li>The Qi wireless receiver fits discreetly under your Samsung S4 battery cover and allows wireless Qi charging with any Qi charger (optional)</li><li>Easy to install under the battery cover of your phone</li><li>Lightweight, ultra-thin (0.5 mm)</li><li>Only suitable for SAMSUNG Galaxy S4</li><li>Contents: Qi receiver, operating manual</li></ul>.