Delivery Time: 1 To 7 Working Days

Price: $ 4.99

Support SN Start  at F4 F6 F7 FV FD FF C4 C6 C7 C8  
Like  F4XXXXXX   Support
Like  F6XXXXXX   Support

Not Support SN Start at FX FR FT FX FN FH FC FP 
Like  FRXXXXXX  Not  Support

Result sample,100% correct ,check by factory source
F19Q5W5QG5MC    WiFi  54:4e:90:d9:2a:bd  BT  54:4e:90:d9:2a:be