60% Wireless Gaming Keyboard and Mouse Combo Set 2.4GHz Rechargeable 3800mAh

When charging, you need to turn on the ON switch and connect the charging cable to the computer USB port. Do not use fast charging to avoid damaging the battery. 2.4GHz Wireless ConnectionThe wireless keyboard and mouse combo uses 2.4G wireless technology to connect, the connection is stable and powerful, sharing a USB receiver, plug and play.

eBay