1. Connection method: 2.4G
2. Number of keys: 3
3. DPI: 1200
4. Support system: Windows XP/Vista/7/8/10/11
5. Glossy piano lacquer technology, gradient macaron color matching
6. Wireless connection, plug and play
7. Accurate and sensitive, suitable for moving speed of different display screens
8. Fits the hand, mute button
9. Small and portable shape, long-lasting battery life
10. This product does not contain batteries