el panel /el t-shirt /el flashing panel :high brightness ,CE certification ,Sound sensor inverter ,accept customer's logo

el panel /el t-shirt /el flashing panel :
Size :13*18cm
Designs :many attractive designs from us ,also accept OEM Order
Brightness :High brightness ,
Advantage :
              1)Soft and flexible
              2) Sound sensor
Certification :CE certification

Can make your own logo free