DUAL MODE BLUETOOTH MOUSEMode A: Insert the USB receiver into the USB port and switch the mouse switch to 2.4G.Mode B: Switch the mouse switch to Bluetooth， press the pairing button for 2-3 seconds， the computer Bluetooth will find the mouse and pair it.3 Kind Of DPI Adjustable800/1200/1600 DPI resolutions (Default 1600). Easily adjust DPI button to instantly match mouse speed to different working scenarios with DPI button on the top of the wireless mouse.Cordless mute Mousewireless transmission technology provides a powerful and reliable connection up to 10m. the mouse features 90% noise reduction， help you concentrate on your work， study without disturbing others besides you. Note: dpi button is non-silent.Energy-saving Comfortable DesignOne hour of charging can work for one month.AA batteries can also be installed， batteries are included.Widely CompatibilityThe mouse is well compatible with Macbook， PC， iPad， computer and mobile phone. 2.4G can be used with laptops and any devices with USB ports. [Note: The USB receiver is stored in the battery box of the mouse. 】Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .ReturnIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.