1. Keyboard: Membrane Keyboard. Body Material: Abs + Liquid Silicone. 2. Connection Method: 2.4G, Usb-A Receiver. 3. Scheme: Han Tianxia. 4. Sizes: 440*140*25Mm. Weight: About 400G. 5. Key: 104 Key/Key/Layout. 6. Keycaps: Silk-Printed White Characters Over Uv Keycaps. Service Life: 8 Million Times. 7. Mouse. Material: Abs+Pvc, Cable Length 1.5M. 8. Sizes: 105.5*60*23.5Mm. Weight: 48G. 9. The Service Life Is About 3 Million Times. 10. Dpi: 800-1200-1600. 11. Applicable For Pc, For Ps4, Etc. 12. Compatible With Most Mainstream Systems On The Market 13. English/Russian Version Is Optional (Support Other Language Customization).