Ceramic Filters made from alumina, silicon carbide, zirconium, or combination of alumina, silicon carbide, and zirconium

Carrying cases specially adapted for electronic equipment, namely, computers, mobile phone accessories, computer accessories, camera accessories, and smart watch accessories.; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, computers, mobile phone accessories, computer accessories, camera accessories, and smart watch accessories