1. Capacitive micro-frequency sensing, highly sensitive contacts2. Alloy mechanical black shaft buttons, no delay, second rebound3. Polished alloy keys, mechanical feel, not broken4. Four fingers linkage, shooting and moving at the same time5. Groove design + anti-folding double buckle, support the thickness of the phone: 8-14mm6. Do not lock the screen, do not accidentally touch the volume keys, not loose7. Full field of view, not blocking the screen8. Applicable to all models, film / with shell / curved screen can be used9. Weight: about 30gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 6cm * 4cm / 3.15inch * 2.36inch * 1.57inch Qty per Carton 234 Carton Weight 10.00kgs / 22.05lb Carton Size 40cm * 40cm * 30cm / 15.75inch * 15.75inch * 11.81inch Loading Container 20GP: 555 cartons * 234 pcs = 129870 pcs40HQ: 1289 cartons * 234 pcs = 301626 pcs