Descriptions:
     1. Adapter: QC2.0 5V / 2A 9V1.67A Adapter (15W)
     2. Design specifications: wireless fast charge (10W) double coils
     3. LED color: blue light / green light
     4. Power on: blue light on 5 seconds
     5. Standby: off
     6. Charge indication: green light on all the time
     7. Full: off
     8. Wrong indication: flashing blue + green light
     9. Input voltage: 5V2A / 9V1.67A
   10. Operating frequency: 105KHz ~ 200KHz
   11. Receiving distance:> 8mm/ 0.31in
   12. Conversion efficiency:> 72%
   13.Output power: 10W (max)

Product charging test results (Description):

     1).S550 can support Samsung models with wireless receivers. The charging is stable without problems of cut-off and overheating charging.

     2).S550 can support part of the Motorola and Nokia models (Motorola Droid Turbo2, Lumia920).

     3).S550 can support back pastes used in the majority IPHONE and Android models.

Product charging temperature test results (Description):
     Max. temperature measured by cases for S550: 39.1℃ (S8 phones are tested under wireless fast charging.)

     Max. temperature measured by S550 mobile phone: 35.7℃ (S8 phones are tested under wireless fast charging.)

     S550 has a cooling fan, which can effectively disperse heat, and reduce the risk of mobile phone fever.

Overheat protection function:

     1).Wireless chargers for S330 have fans to disperse heat, turn down phones temperature, enabling phones to maintain fast charge, and reduce the charging time.

     2). The product can work efficiently with 3200 turning in low noise, and improve the charging efficiency.

     3). The front wind inlet can turn down phones' temperature, the back wind outlet to reduce temperatures of mobile phones and wireless charger coil. It's more secure to use, quicker to charge.

     4). Compare our charger with Samsung original wireless charger under the same temperature, the performance of our product is better.

Compatible : 
     with Samsung S6 ,S6 + ,S7, S7 + ,S8 ,S8 +, Note 8& LG & Apple & Google phones.
      iPhone 8/iPhone 8 Plus/iPhone X

Packing list:
     1 * wireless fast charger

     1 * cable