1. Material: plastic, metal
2. Installation position: rear-view mirror cylindrical support frame, seat
3. Applicable mobile phone size: 4.7-6.1 inches
4. Features: retractable length, easy to use, fixed with screws, easy to install, stable and not easy to drop
5. Length: retractable to about 20cm
6. Weight: about 100g/piece
7. Packing size: about 12.5x6.5x5cm