Model - Rapoo X1800S, Series - Regular, Style & Size - Regular Big, Type - Wireless Keyboard & Mouse, Interface - USB Dongle, Language (English) - Yes, Language - English & Bangla, Language (Bangla) - Yes, Mouse, Touchpad - Keyboard & Mouse, Lighting - No, Mechanical (Key) - No, Specialty - Wireless Keyboard & Mouse Combo with Bangla, Media control, Fn keys give quick access to functions like media player, homepage, volume adjustment, etc, Long battery life, 1000 DPI tracking engine, will enjoy accurate and smooth cursor control with the 1000 DPI high-definition invisible tracking engine, Plug-and-forget NANO receiver, So small and unobtrusive, can plug it into a USB-port and forget about it, No more worries about lost receivers, Others - Color: Black, Mouse Resolution: 1000 DPI, Part No - X1800S, Country of Origin - Hong Kong, Made in/ Assemble - China, Warranty - 2 years