Compact Car Mount Vehicle AC Air Vent Mini Cell Phone Holder for T-Mobile LG Pop GD510 - T-Mobile LG Optimus T - T-Mobile Motorola Defy - T-Mobile Nokia Astound - T-Mobile Samsung Exhibit 4G Compact and lightweight design, perfect travel companion. This solution is designed for use only with vehicle's having horizontal air vent louvers. NOTE: It expands up to 2.35" (6cm). If you have a thick case on the phone please check the dimensions.