1. The battery is durable and lasts for a long time. 
2. Ergonomic design, comfortable hand feeling. 
3. Number of keys: keyboard: 104 keys, mouse: 4 keys 
4. Transmission mode: 2.4G wireless / 10m connection range 
5. DPI adjustment: 800/1200/1600 
6. System support: Windows XP / Windows Vista / Windows 7/8/10 
7. Standby time: about 60-180 days 
8. Weight: 
Keyboard: about 350g 
Mouse: about 95g 
9. Dimensions: 
Keyboard: 435 x 125 x 23mm 
Mouse: 100 x 50 x 30mm