T-WOLF TF660 2.4G+5.0 Bluetooth Dual-Mode Retro Wireless Keyboard And Mouse Set Features: 1. Punk round tendon hat, comfortable in hand 2. Using improved film technology, the sound is light and quiet 3. Retro typewriter style, high key position design, realistic mechanical feel, comfortable to use 4. High-quality ABS material keycaps, comfortable to touch and delicate in hand 5. FN + multimedia composite key, which can realize quick operations such as playpause, volume adjustment, etc. 6. Bluetooth 5.0 technology, no lag when used at a distance of 10 meters, meeting the needs of different scenarios 7. 80012001600dpi, three levels of DPI free adjustment Product parameters: 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 grams