... ,PNG,SVG,MNG,ICOInternal Memory4GB (standard), up to 16GBExpansion SlotsMicro SD (TF) card up to 32GBOther Interface2.0 USB high-speed ... gift giving,Leather can be marked with the company name , power on the screen may display company information, products, contacts ... etc.Energy saving and environmental protection: A charge continuous standby power state for more than 15 days, without charge every day ...