Ọtụtụ mgbe, anyị na-eji iko plastik 3.5 * 2.8mm na-etinye mgbawa ahụ, ọ gụnyere iko ojii na iko ọcha.
Iko ọcha RGB LED na-enwu karịa iko ojii RGB LED. A na-eji nke mbụ eme ihe na ọkụ akpụkpọ ụkwụ ikanam, ọkụ warara LED, ogwe ọkụ ọkụ LED, bọọdụ ọkụ eletrọnịkị ect.
A na-eji nke ikpeazụ eme ihe na ngosipụta LED.