5.5-8.5cm Widen type: suitable for iPhone 4 / 4s / 5 Samsung i9300 / i9220 HTC Xiaomi etc.; Digital mobile phone universal tripod universal adapter clamp double spring high durable endurance. From now on mobile phone sway taps become stable in the digital world also can take high quality photos and video is phone tool! Features: Bracket is very small convenient and can be applied to 55-85 - mm wide mobile phone use free cell phone screens width adjustment convenient operation; Card slot and positive on both sides have soft mat two layers of strengthen the sponge clamp prevent fall love machine forward effectively prevent slippery. Has a standard tripod interface (note: this interface is the latest material plating nut). Interface of deep hole is 6 mm can be connected with any tripod or fast loading board of course also can be loaded on the stabilizer is used.