... :1.fluorescent light ,2.standard 109 keys ,3.Fixed USB + PS2 Interface ,4.anti-jamming ,weight: 254 g, folding keyboard 1 ... .fluorescent light 2.standard 109 keys 3.Fixed USB + PS2 Interface 4.anti-jamming weight: 254 gsize: length: 13.78in ... width:13cmmeterial: silica gel non-toxic ,environment frendlyinterface: Fixed USB + PS2 Interfacecolor:black,pink,blueworking temperature: -40°C to 80°Ccan ...