Tontec&reg; Wireless Charger Charging Receiver Module Compatible for iPhone 5/5C/5S Universal -- Qi Wireless Charging Receiver Card for iPhone 5, 5C, 5S | Qi wireless charger is required (not included) to enable wireless charging. Ultra-thin and durable design -- Easy installation. Simply plug the connector into iPhone lightning port and affix the patch onto the back of iPhone. Featured the latest Texas Instruments (TI) high-efficiency and rapidly charging chips. Slim design fits with most protective cases. Please don't use any metallic or thick cases as the wireless signal can't get through metal. Compatible with Qi wireless charger, Qi wireless charging pad, Qi wireless power bank. Does NOT work with PMA charger.