If you do not use the mouse for eight minutes,It will go into sleep mode to save energy. [2025 New Upgrade Enable High-Efficiency Multiple Working Modes]: 4 Modes Mouse(BT5.2 & BT3.0 + 2.4GHz USB-A & 2.4GHz USB Type-C),Dual-port receiver with integrated USB-A and USB type-C，Normdecos bluetooth wireless mouse realizes free switches between 2 devices in a wireless mouse only one switch.
eBay