CONTROLLER FOR PHONE GAME-- phone controller cooler.It will not affect but help you play game smoothly. PHONE CONTROLLER-- Mobile Game Controller Necessity for playing games and the smooth game operation. GAME CONTROLLER FOR PHONE-- Mobile Game Controller Easy to install and detach and simple operation. PHONE CONTROLLER HOLDER-- Made of material, . MUTE PHONE RADIATOR CONTROLLER-- Semiconductor refrigeration chip, fast heat dissipation. - Input voltage: DC 5V. - Input current: 1A-2A.