Bluetooth 5.1 Connection & 2.4GHz Connection Bluetooth 5.1: No need to occupy PC interface, fast and stable connection. Support Windows 8/10,MacOS, iPad or iPhone Series ( NOTE: It is required to update your system to iPadOS 13/ iOS 13 or Above and Turn on the “Assistive Touch” on the iPad/ iPhone: Setting - Accessibility - AssistiveTouch for an iPad usage. ) 2.4G wireless: For devices without Bluetooth function, just plug the USB receiver or USB receiver+ type c adapter, no additional driver or software needed. SILM & PORTABLE Perfect size for travelling and it can be easily put into your laptop bag and ultra-space saving. Noiseless Click Soundless design for the right and left buttons, won’t disturb others. Accurate Tracking 3 adjustable DPI 800/1200/1600 with high precision to meet yourdifferent demand, office, games and others. Note: 1.It's out of power if the mouse cursor moves slowly or stop moving. Please recharge it. Note: It’s recommended to charge the mouse on computer interface. 2.Please charge the mouse for 2 hours before the first time to use it. The red light beside the scroll wheel will be on while charging, and then goes off when the mouse is fully charged. 3.USB receiver is stored in the bottom of the mouse. Package Include: 1* Dual Mode Mouse 1* Charging Cable 1*USB Receiver (underearth the mouse) 1*Type C Adapter 1* User Manual