1. The coils dimension and electrical specifications qualifying WPC/QI standards and meet UL certification with high performance and strict specifications.2. Competitive price and highly quality of coils.3. Taiwan & china plant are also have a great capacity in production.4. Great configuration with a prefect array/no jumpers of coilsSpecs:1. assemble the A6 set with 3 A6 coils & 2 Freeite shield.