SONON 300C Specification 1) Frequency: 3.5MHz (Convex type) 3) Applications : bdominal, OB/GY A 4) Weight: 390g(including Battery) 5) Using Time: 3 hours(Scan) 12 hours(Stand-by) 6) Recharging Time: 3 hours(Full) 7) Operating Mode: B, CF, PW, M (Linear type) 3) Applications : SK, Vascular, Breast, Thyroid, Thoracic/Pleural M motion, Fluid detection 4) Weight: 370g(including Battery) 5) Using Time: 3 hours(Scan) 12 hours(Stand-by) 6) Recharging Time: 3 hours(Full) 7) Operating Mode: B, CF, PW, M Minimum requirements Supportable Mobile Devices Android (Samsung) · SAMSUNG Galaxy S6 · SAMSUNG Galaxy Note5, FE · SAMSUNG Galaxy A5, A7 2016 iOS (Apple only) · SAMSUNG Galaxy J3, J5, J7 2017 · SAMSUNG Galaxy Tab S3 (2017) · SAMSUNG Galaxy Tab 10.1 2016 Android iOS Windows Android 7.0 iOS 12 Windows10(64-bit) · iPhone 6s · iPad 5 · iPad Mini 4 *t is just minimum requirements and recommended the latest one possibly I for optimal performance and image displaying.