4 port usb hub mobile phone holder 1.made of the silicone 2.OEM/ODM 3.SGS, ... ,ROHS 4.MOQ:1000pcs 4 port usb hub mobile phone holder MaterialNR,SIR,NBR,CR,EPDM and etcSizeCustomized/standard and nonstandardLogoDebossed ... phone with usb port, 4 port usb hub mobile phone holder