Wireless keyboard and mouse set

New item, open box. Plug&Play and Sleek Design: Wireless JOYACCESS keyboard and mouse combo features a sleek design and uses a single nano receiver, freeing up USB ports. The nano receiver snaps into the mouse for storage, while the compact computer keyboard features scissor-cross low profile keys for responsive, quiet typing. Stable 2.4G Wireless Connection and Long Standby: Wireless keyboard mouse combo provides a stable 2.4GHz wireless connection for up to 10 meters. The wireless mouse uses only 0.11mA of power and enters power-saving mode after 20 seconds of inactivity, while the computer keyboard sleeps after 8 minutes of no typing. *Batteries not included. High Precision DPI 2400 in 5 levels: The cordless mouse allows for easy cursor sensitivity adjustment with up to 2400 DPI in 5 levels. Perfect for office use with 1600 DPI or up to 2400 DPI for 4K monitors or gaming. Adjustable polling rate of 125Hz and 250Hz by pressing the right key and wheel simultaneously