1. Arbitrary adjustment of height/angle to relieve cervical strain 2. Tap, press, and slide the screen without shaking 3. The main body is made of aluminum alloy, using CNC ultra-precision processing technology 4. Large-area non-slip base, stable and anti-dropping, to avoid scratching the desktop 5. Double spring clamping design during stretching, more stable and safer 6. Scope of application: 4-13 inch mobile phone and tablet 7. Weight: 732g 8. Carrying weight: 1 kg 9. Mobile phone clip stretch range: 13-23 cm