Easy Setup: Simply insert the nano USB receiver into your computer and use the keyboard instantly. Ergonomic design: Stainless steel material gives heavy duty feeling, low-profile keys offer quiet and comfortable typing. 6-Month Battery Life: Rechargeable lithium battery with an industry-high capacity lasts for 6 months with single charge (based on 2 hours non-stop use per day). Ultra Thin and Light: Compact size (11.1 X 5.3 X 0.16in) and light weight (10.2oz) but provides full size keys for comfortable typing. Package contents: Arteck Stainless 2.4G Wireless Keyboard, nano USB receiver, USB charging cable, welcome guide, our 24-month warranty and friendly customer service.