Wireless charging standard: Qi wireless charging standardWireless charging input voltage: DC 5V---2AWireless charging port: Micro-USB portWireless transmitting power: 5WWireless transmitting distance: 5~7mmWireless charging efficiency: ≥73%Protection: Abnormal charging protectionCharging model: 3-coils design, horizontal and vertical direction are available for mobile phone wireless chargingCharging indication 1: The blue led breath light be on when wireless charging. Charging indication 2:The red led light lights on under abnormal condition.Dimension: L 121 * W 70 * H 23 mmColor: BlackNote:1. The power adapter output power must be no less than 5V/2A, if not, wireless charging might be unstable during work.2. Make sure there is no other stuff upon the stand before charging3. If the phone protection case thickness is thicker than 2mm, it can affect charging efficiency, suggest to take it before charging.4. If the phone protection case is metal, it would stop wireless charging, it has to be taken off  before use.5. If the red trouble light  lights on, It indicates that the phone is not placed on wireless charging area or current is too strong ,The protection circuit turned on, the charger will cease  charging  to protect mobile phone ,  The wireless charger will work normally when the fault is fixed and replace the direction of mobile phone.Package Includes:1 x Qi Wireless Charging Stand1 x Charging Cable1 x User Manual