the macally teleholder is a suction cup phone mount with an extendable telescopic arm and a universal holder that allows you to use your iphone/smartphone for hands-free phone calls and gps car navigation. features: supreme suction cup for strong and durable adhesion to windshield and dashboard maximum adhesion to textured dashboard with the included suction mount base disc strong telescopic arm extends up to 6.5 in / 16.5 cm to bring iphone/smartphone within close viewing distance adjustable grip fits iphone/smartphone with or without a protection case between 1.97 to 4.5 in / 50 to 115 mm 360 rotation for the best viewing angle includes teleholder, suction mount base disc, and user guide benefits: extendable arms brings the phone closer to you for easier reach adjustable feet that keep your mobile device in place and won’t block any ports one handed attachment and removal includes dashboard pad that securely holds onto the most porous of surfaces