Rapoo 8000GT Bluetooth 2.4G Wireless Keyboard Mice Set Laptop Tablet Cell Phone Keyboard And Mouse 1. Connection method: Bluetooth 3.0, 4.0 and wireless 2.4G 2. Number of keys: 84 keys 3. Key travel: 3mm 4. Key life: 10 million times 5. Battery life: about 12 months 6. Power supply: 1 AA battery (not included) 7. Size: about 29.5 x 14.6 x 2.25cm 8. Weight: about 240g Features: 1. Two Bluetooth transmission protocols, high efficiency and energy saving, wireless 2.4G, stable and reliable transmission, three connection modes, compatible with more devices 2. The keyboard can connect to up to 4 devices at the same time, and the mouse can connect to up to 3 devices, and the keyboard and mouse can quickly switch between various devices 3. Fn+Ins can quickly switch the MAC system and Win system key positions, and the important function keys have been marked with MAC key prompts 4. Power saving program + low power chip, high efficiency and energy saving 5. Dual system multimedia shortcut keys Mouse: 1. Connection method: Bluetooth 3.0, 4.0 and wireless 2.4G 2. Ergonomics: symmetrical for left and right hands 3. Working mode: optical engine 4. Buttons: Left buttonmiddle buttonright buttonBluetooth button 5. Button travel: 0.5+-0.2mm 6. Scroll wheel direction: Bidirectional 7. Maximum acceleration: 10G 8. Maximum tracking speed: 30inchs 9. Resolution: 1300DPI 10. Power supply: 1 AA battery (not included) 11. Size: about 10.1 x 5.9 x 3.75cm 12. Weight: about 54.7g Features: 1. Exquisite and compact, designed for users with small and medium hands, symmetrical ergonomic design for left and right hands, fits the curve of the palm, and is still comfortable to hold for a long time 2. The upper cover adopts a delicate matte surface treatment process, which is comfortable to touch and delicate in texture. The rubber hole texture is used on both sides to bring good anti-slip effect 3. High-precision invisible light tracking engine, accurate positioning without frame loss, c