A mobile device having: a cover, the cover comprising a support member (32; 62; 96) having an upper surface (20; 98) and at least one side surface (22; 100) extended from the upper surface (20; 98) to form a body, wherein the cover includes a protection film (36; 104) comprising a printed layer (42; 66; 102); a display unit (12; 92) disposed under the support member (32; 62; 96) to be visible through the upper surface of the support member (32; 62; 96); a touch sensitive portion (34; 64; 94) located on the upper surface (20; 98) and the at least one side surface (22; 100) of the support member (32; 62; 96), the touch sensitive portion (34; 64; 94) being configured to generate a signal when touched to control the mobile device, wherein the touch sensitive portion (34; 64; 94) includes an upper touch portion (44; 68; 106) formed at the upper surface (20; 98) and at least one side touch portion (46; 70; 108) integrally formed with the upper touch portion (44; 68; 106) and formed at the at least one side surface (22; 100) to generate an input other than an input generated by the upper touch portion (44; 68; 106), wherein a key display portion (48; 72) is formed at the at least one side surface (22; 100) to generate input by the at least one side touch portion (46; 70; 108) and is formed on the printed layer (42; 66;102) disposed on the at least one side touch portion (46; 70; 108); and a light emitting portion mounted at the at least one side surface (22; 100) and configured to illuminate the key display portion (48; 72). a cover, the cover comprising a support member (32; 62; 96) having an upper surface (20; 98) and at least one side surface (22; 100) extended from the upper surface (20; 98) to form a body, wherein the cover includes a protection film (36; 104) comprising a printed layer (42; 66; 102); a display unit (12; 92) disposed under the support member (32; 62; 96) to be visible through the upper surface of the support member (32; 62; 96); a touch sensitive portion (34; 64; 94) located on the upper surface (20; 98) and the at least one side surface (22; 100) of the support member (32; 62; 96), the touch sensitive portion (34; 64; 94) being configured to generate a signal when touched to control the mobile device, wherein the touch sensitive portion (34; 64; 94) includes an upper touch portion (44; 68; 106) formed at the upper surface (20; 98) and at least one side touch portion (46; 70; 108) integrally formed with the upper touch portion (44; 68; 106) and formed at the at least one side surface (22; 100) to generate an input other than an input generated by the upper touch portion (44; 68; 106), wherein a key display portion (48; 72) is formed at the at least one side surface (22; 100) to generate input by the at least one side touch portion (46; 70; 108) and is formed on the printed layer (42; 66;102) disposed on the at least one side touch portion (46; 70; 108); and wherein the touch sensitive portion (34; 64; 94) includes an upper touch portion (44; 68; 106) formed at the upper surface (20; 98) and at least one side touch portion (46; 70; 108) integrally formed with the upper touch portion (44; 68; 106) and formed at the at least one side surface (22; 100) to generate an input other than an input generated by the upper touch portion (44; 68; 106), wherein a key display portion (48; 72) is formed at the at least one side surface (22; 100) to generate input by the at least one side touch portion (46; 70; 108) and is formed on the printed layer (42; 66;102) disposed on the at least one side touch portion (46; 70; 108); a light emitting portion mounted at the at least one side surface (22; 100) and configured to illuminate the key display portion (48; 72).