Now , Many of customer will ask what is difference between SK9822 LED and APA102 LED ,First , you know both of them is 5050 , and what is the color , 

i think both of them can pacakge the led with RGB, White ,and another single color  and they have same frequency speed , they have data and clock , and 

normally they can be compatible with same controller , so SK9822 LED signal speeed is as fast as APA102 LED.

          So what is the difference ? you know the first signal is different , normally the first signal ,sk9822 is a base Synchronization signal, and APA102 don't

have this signal . but normally they can be control by same controller . now we have develop SK9822 RGB LED STRIP  SK9822 white color led strip , 

SK9822 single color  ,such as blue ,red , green and so on , 

               About the LEDS/M , We have 30 ,32,48,60, 72,144 per meter , and we accept OEM ,ODM product , and we can custom design different 

size pcb .