Leather Wireless Bluetooth Keyboard With Touch-Pad Multi-System External Portable Universal Keypad 1. Material: leather + ABS 2. Number of keys: 81 keys 3. Key technology: scissor foot structure 4. Connection: Wireless Bluetooth connection 5. Li-ion battery capacity: 140 mAh 6. Charging time: 4-5h 7. Sleep time: about 10 minutes 8. Working distance: about 10 m 9. Weight: about 274 g 10. Touch-pad size: about 13.23 x 6.1 cm 11. Keyboard size: about 30.41 x 21.6 x 0.61 cm (extended); 15.2 x 10 x 2 cm (folded) Features: 1. Full key punchless, Bluetooth connectivity, mainstream compatible, comfortable feel, bass keys, folding design 2. Leather folding Bluetooth keyboard, Bluetooth 5.1 master control, low latency, stable connection, responsive 3. With touch-pad, no need for a mouse, increase the touch-pad design, fully realize the mobile office 4. Scissor foot structure keys, thin and light, comfortable, easy to code without fatigue, comfortable office 5. Ultra-thin folding keyboard, unfolding thickness of only 0.61 cm, upgraded touch-pad support, the real mobile office equipment 6. USB charging, comes with USB charging cable, connected to the computer at any time and place charging, especially convenient! 7. Using tri-fold design, folded at any time to store the keyboard, easy to carry 8. Supported systems: Windows, IOS, MacOS, Android and other systems common