Why Choose MAIKONG’s 3-in-1 Wireless Ultrasound Probe? CO -ul principal. LTD 3-in-1 wireless ultrasound probe is designed to address the dynamic needs of healthcare providers, especially in primary medical care, military and emergency health services, and field rescue situations. With three distinct probe types—convex, linear, and cardiac—this portable device offers unmatched flexibility and convenience in a single, compact form. Key Product …