... Customer design allowed.(4)OEM service provided.(5)work for phone,Computer Cpu, PC, LCD TV video signal transmission, ... )We have all kinds of phone jacks(2.5mm/3.5mm/6.35mm),Dc Power Jacks,RCA Jacks,Connectors,Switches(flip/micro/power ... /rocket/multi function),A&V Composite-Board,USB,PCB,HDMI,DR/DB Jacks, ... help,contact us pls. CK-2.5-042 Phone Jacks