Ltpgtin a world of smartphones tablets and other gadgets the usb socket reigns supreme charging via usb cable is so convenient but its so easy to lose your usb to mains power adapter when you have to lug it everywhere with you with this clever double wall socket you can rest assured therell always a couple of usb charging points that wont go missingltpgt ltpgtltstronggtfeaturesltstronggt ltul classquotbulletlistquotgt ltligtconforms to european standb