Wireless charger is a device that uses electromagnetic wave induction principle to charge.<br/>Features:<br />Wireless charger for smartphones under the QI-standard.<br />Easy to charger your phone without cables, just put your phone on the charging plate.<br />Positioning guide and LED charing indicator.<br />Small in size, easy to carry.<br/>Specifications:<br />Color: black base with black circle, black base with red circle, black base with yellow circle, black base with orange circle, black base with white circle, white base with white circle, white base with black circle, white base with blue circle (optional)<br />Input: DC5V / 2A<br />Output: 5V / 1A<br />Charging current: 500mAh-1000mAh<br />Charging power: maximum can reach 5W<br />Conversion efficiency: greater than 73%<br />Transmission distance: maximum 10mm<br />Standby power consumption: average power consumption is less than 50mW<br />Frenquency: 100-200KHz<br />Item size: 7 * 7 * 1.1cm / 2.8 * 2.8 * 0.4in<br />Item weight: 35g / 1.23oz<br />Package size: 8 * 8 * 2cm / 3.1 * 3.1 * 0.8in<br />Package weight: 56g / 1.98oz<br/>Note:<br />Phones like for Nokia Lumia 928 and 920, Google for LG Nexus 4 and for HTC and built-in coils and they can be tossed on the disc directly for charging. For Samsung for Galaxy Seires and for Nokia Lumia 1020 will require a charging receiver card or back cover.<br />Please confirm with your cellphone manufacturer that your cellphone is Qi-compliant and equipped with a charging chip. And the product doesn&#39;t include the back-cover adapter. If your device need a wireless charging case or cover adapter, please contact to cellphone manufacturer to purchase the case or adapter.<br />For iPhone 4 / 4S, for iPhone 5, for iPhone6 / 6Plus, for Samsung for Galaxy S3, S4 and Note 2, you need an extra wireless receiver. This item do not included receiver.<br/>Package list:<br />1 * Charger<br />1 * USB Cable