B087 2.4G Portable 78 Keys Dual Mode Wireless Bluetooth Keyboard And Mouse 1. Material: ABS + spray paint 2. Keyboard keys: 78 keys 3. Keyboard charging interface: Type-C 4. Connection: Bluetooth + 2.4G dual-mode wireless connection 5. Keyboard battery capacity: 180 mAh; mouse battery specification: AAAx2 (not included) 6. Standby time: about 180 days 7. Working distance: about 10 m 8. Operating life: about 60 h (keyboard); about 200 h (mouse) 9. Operating voltagecurrent: 3.7Vless than 4mA (keyboard); 3Vless than 10mA (mouse) 10. Weight: about 441 g for keyboard; about 60 g for mouse 11. Dimensions: keyboard about 29.8 x 13.1 x 2 cm; mouse about 11.2 x 6 x 3 cm Features: 1. Bluetooth wireless connection, fast and stable connection, better compatibility, fast response time 2. Multimedia buttons, easy pairing, high-capacity battery, charging 2 hours, long-lasting life 3. Glossy edge, concave keycap design, more simple, more comfortable to operate 4. Scissor foot structure of the keys, comfortable and quiet operation, feel better, easy and effortless 5. Magnetic receiver storage slot at the bottom of the keyboard, firmly adsorbed, easy to pick up and put down 6. Support ergonomic tilt design, reduce operating fatigue, more comfortable operating experience 7. Non-slip feet at the bottom corners of the keyboard to increase friction, keyboard operation does not go out of place 8. Fresh and simple appearance, streamlined layout, lightweight and portable, can be loaded into the 13-inch laptop bag 9. Bluetooth + 2.4G dual-mode, multi-system support, switch between different devices in a second, compatible with Mac OS, Windows, IOS, Androld, Harmony OS and other systems