- Wireless desktop set with abrasion-proof laser inscriptionN/A- Durable high quality professional keyboard with ergonomic 5-button mouseN/A- Easy to install requiring no technical knowledgeN/A- Battery status display in keyboard and mouseN/A- Mouse has on/off switch for additional energy efficiencyN/A- Nano USB receiver: also ideal for permanent use with the notebookN/A- Infrared sensor and adjustable resolution (1000/1750 dpi)N/A- 2.4 GHz technology (range of up to 5 meters)