1.Key frame uses high quality 304SUS stainless steel material..
2. Buttons are made of high quality zinc alloy, with a strong anti-destruction capability.
3. With natural conductive silicone rubber -weather resistance, corrosion resistance, anti-aging.
4. Double side PCB with golden finger, resistance to oxidation.
5.Button color: bright chrome or matte chrome plating.
6.Key frame color according to customer requirements.
7. With alternative interface.