10pcs 4.5*2.2mm 6*2.2mm 6*5mm 9*7mm electret micro phone condenser Pickup ibuw micro phone 52DB 56DB with 2pin

10pcs 4.5*2.2mm 6*2.2mm 6*5mm 9*7mm electret micro phone condenser Pickup ibuw micro phone 52DB 56DB with 2pin