Check the listing for details. 2.4G & Bluetooth Slim Compact 78 Keys Wireless Keyboard and Mouse Combo for Mac. Color: Black Grey, Condition: New. Listed at 39.98 USD. ---Wireless 2.4G & Bluetooth 5.0: Both keyboard and mouse support dual mode connection. In 2.4Ghz mode, the wireless keyboard and mouse share one Nano USB receiver (stored at the bottom of the mouse). In Bluetooth mode, the keyboard can connect up to 2 bluetooth deivces, the mouse can connect one. Easy to connect and change devices by Fn+1/2/3. Operating distance up to 26ft/8m. ---Rechargeable & Long Standby: Rechargeable keyboard built in a 200mAh lithium battery, the mouse built in a 500mAh one, 3 hours fully charged by supplied Micro USB charging cable (Do Not charged over 5V/2A). About 200 hours for continuous work and 1000 hours standby. Auto sleep function and ON/OFF switches help you to save power. Leave for 30 mins, the combo will sleep. Move the mouse or press any key to wake up.