1. Material: aluminum alloy + stainless steel 2. Surface treatment: oxidation 3. Hard cone, can break the window urgently 4. Screwdrivers, maintenance tools 5. With touch screen pen design, it is more convenient to click on the phone screen 6. All-in-one, easy to carry, does not take up space 7. Product size: length 146mm, width 15mm 8. Weight: 85g