HOTDREAM Bluetooth wireless mouse(BT5.2+BT3.0+2.4G+USB C adapter), dual-mode is more conducive to our connection and use on computer device,>>How to charge?Charge the mouse for about 2 hours before use it for the first time.with 5v adapter for charging.When the cursor doesn't move, or suddenly disconnects during use, need to charge the mouse.>>How to use Bluetooth mouse mode:1.slide the switch to BT mode, 2.open system preferences settings,turn on Bluetooth function , 3.when laptop Bluetooth is searching for nearby Bluetooth devices,press and hold the connect button at the bottom of the mouse for 3 seconds, The light flashes . 4.Bluetooth search there appears BT mouse, click to connect "BT5.2 mouse or BT3.0 mouse (BT3.0 for old laptop)" , connection is OK>>How to use mouse 2.4G USB mode: take the USB/Type-C receiver from the bottom of the mouse, then insert the USB receiver into the computer USB port,Switch to "ON/OFF" button to right,The mouse flash in 2.4GHz Mode (Note: usb c ports please use with usb c adapter))>>How to use the bluetooth mouse on iPad: First, open iPad settings, find accessibility, turn on touch controls,>find assistive touch controls, turn on assistive touch controls, >pull down to find the device, turn on the Bluetooth device,> turn on the mouse switch, press and hold the button on the bottom of the mouse for 3seconds, iPad will search BT5.2 mouse and click "Connect". Pairing password: 0000, (if you can't find the mouse, please restart the mouse,restart iPad Bluetooth function, restart the iPad)>>Packing list:HOTDREAM dual-mode mouse *1USB charging line *1USB2.4G receiver/Type C adapter *1(hidden in the slot at the bottom of the mouse)Instructions*1. Dual Mode Mouse M03 Gray