1. Material: ABS, electronic components 2. Number of keys: keyboard: 84 keys, mouse: 4 keys 3. Features: Keyboard: Colorful punk keycaps, Mouse: Colorful potato chip mouse 4. Technology: Keyboard: 2.4G wireless + 5.0 Bluetooth, mouse: 2.4GH wireless + 5.0 Bluetooth 5. Solution: Yi Zhaowei 6. Working method: photoelectric 7. Photoelectric resolution: 1600dpi 8. Whether to support ergonomics: Yes 9. Battery: Keyboard: AA battery x 1 (delivered without battery), mouse: AA battery x 1 (delivered without battery) 10. Dimensions: Keyboard: 330 x 155 x 33mm, Mouse: 100 x 59 x 40mm 11. Weight: keyboard: 394 grams, mouse: 59 gram