CHOETECH T524-S 10W 2 Coils Wireless Charge 1) Input: 5V/2A,9V/1.7A 2) Output: 10W(Compatible with 7.5W and 5W) 3) Interface: Micro USB 4) Coil: 2 coils 5) Product Size: 116*72*86mm 6) Material: ABS+PC plastic 7) Accessories: 1.2M A to Micro B cord 8) Certification: CE, RoHS, FCC, Qi, ETL, RCM 9) Conversion efficiency: 72%(Max)