EF500 Series is developed specifically for the B2B vertical market. The smartphone supports sectors such as retail, transportation and logistics or field selling. Modules are thus available for payments, logistics and security options. As operating systems, Android Lollipop 5.0 and Windows Mobile Enterprise are available. The device meets IP67 protection class and, conforming to US standard MIL-STD-810G, can withstand extreme environmental conditions. An upgrade to an even sturdier housing and a battery power of 6,000 mAh is possible.