Type-c charging Battery: 500mA (Use it for 2 hours a day for 20 days in a row) Support Bluetooth 5.0 The touch surface is made of skin-friendly material, which is non-slip and sweat-proof. About the power switch: Vibration: On/Off (Quickly double-click the wake-up button), Left side (charging port direction): 2.4G mode, Right: Bluetooth mode, Close: type-c line connection System requirements: for-macOS (10.11) and later; Windows 8 and later. Connect to for-Mac: 1: You need to take out the 2.4G USB receiver in the package and connect it to the for-mac host; the trackpad will turn on the power switch (in the direction of the charging port). 2: You can also use a type-c cable to connect the trackpad and Mac. 3: Bluetooth link to for-macOS (only touch is supported, multi-finger operation is not supported.) for-macOS (Gestures) Single finger: click - select / double click - open Double finger: zoom in - zoom out - rotate image / flip page - change page - show notification center Three-finger selected text / drag page Four fingers: Open dispatch center - desktop switching - show the specified window - desktop switching Five fingers open launchpad - show the desktop Connect to the window: 1: Bluetooth - turn on the power switch and press the wake button. Bluetooth search link trackpad. 2: You can also use a type-c cable connection. 3: You can also use a 2.4G USB receiver cable to connect. Windows (gesture) Single finger: click - select / double click - drag file Double finger: Directional movement / Zoom out - Zoom in Three fingers: open the task interface / show the desktop / switch applications Color: Black / White Material: ABS Package Contents: 1 x Touchpad 1 x 2.4G USB Receiver 1 x Type-C Charging Cable The above package contents only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.