Materials : High Quality PC + ABS material. For 3.5 inch - 6.5 inch smartphones, switch freely compatible with iphone 5/ 6 /6plus, Samsung, HTC, most smart phones. Triangle design, + 360* rotation. New outlet base, don^t block sight line and conductive to mobile phone heat dissipation take the phone easily. one hand operation, ensure safe driving, & Premium quality & Performance.