EFM Alta 5G Case for Samsung Galaxy S21 5G - Slate/Clear (EFCTASG270SLC) EFM Alta 5G Case Armour for Samsung Galaxy S21 5G features the latest in antimicrobial technology and 5G signal optimisation with D3O with 5G Signal Plus Technology. EFM Alta 5G Case Armour with latest in antimicrobial technology is one of our slimmest, cleanest and most 5G optimised cases in the market, integrated with patented D3O with 5G Signal PlusTM Technology. D3O with Signal Plus TechnologyTM is the only material to meet the industry 5G permittivity standard and is proven to limit 5G signal loss by 37 percent compared to any other case material in market, giving your device optimum 5G signal, crystal clear audio and video, faster download speeds, prolonged battery life and best in class impact protection. The latest ion-exchange technology incorporated into the case material kills up to 99.99 percent of bacteria and prevents further growth and reproduction during the life of the case. This case also features stadium screen edge protection, to assist in shielding your device in the event of a flat drop. It is also 2.4-meter drop tested, offering 360 degree protection when used with an EFM Screen Armour. Key features: The latest ion-exchange technology incorporated into the case material kills up to 99.99 percent of bacteria Integrated with D3O with 5G Signal Plus TM impact protection material. See here for more information. Lightweight, sleek, clear design - 2.9mm thickness Shock and drop protection - 2.4-meter drop tested to MIL-STD-810G-516 2 Year Manufacturer\'s Warranty SPECIFICATION Packaging contents: 1 x EFM ALTA CASE ARMOUR with D3O with 5G Signal Plus Technology 1 x Instruction/Warranty Details COMPATIBILITY Samsung Galaxy S21 5G