... silical gel keyboard 4, laptop ultrasound scanner Main features of new arrival of portable laptop ultrasound scanner is as following:1, laptop ... , circumference, area, heart rate etc.note: date,time,name,gender,age,doctor, hospital, commentpseudo color: 8 video output: PAL-D , ACE ... probe7.5MHz high frequency linear probeultrasound image worksation new arrival of portable laptop ultrasound scanner