SILVER STORM Rechargeable Wireless Medical Grade Optical Mouse with Scroll Wheel and Charging Base with Integrated 3 Port USB Hub - Dishwasher Safe & Antimicrobial (Black)(PS2). The original DISHWASHER SAFE Wireless Scroll Wheel mouse. Manufactured with SEAL SHIELD Waterproof Technology (Patent Pending) and SILVER SEAL infused plastic for antimicrobial protection of the mouse surface. The SILVER STORM Rechargeable Wireless Scroll Wheel Mouse is the original mouse that is washable and SILVER SEAL protected. 2.4 GHz wireless connectivity with nano USB RF receiver included. SILVER SEAL technology protects the mouse between washings. The SILVER STORM Wireless Scroll Wheel, 800 dpi optical mouse is fully submersible; DISHWASHER SAFE; and is manufactured to IP-68 standards. Includes (1) SILVER STORM Wireless Medical Grade Optical Mouse With Scroll Wheel - Dishwasher Safe & Antimicrobial (Black)(USB); (1) 2.4GHz nano USB RF receiver; (1) USB Charging base with integrated 3 port USB hub.