1.Key frame uses special zinc alloy 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. LED color is customized.
6.Button color: bright chrome or matte chrome plating.
7.Key frame color according to customer requirements.
8. With alternative interface.