Features and specifications:Type: CHYI 3th generation ergonomic wirele vertical mouseDimensions: 104 x 72x 56 mmNet weight: 109 gResolution: 800-1200-1600 DPI adjustableCertification: CE and FCCButtons: Left/right, scroll wheel, DPI, forward/backwardPower Supply: 2 x AAA batteries (not included)Material: ABSColor: BlackApplication: PC, laptop, desktop100% and high quality ergonomic design.Optical tracking technology works on many different surfaces for ideal use at home, in the office, or gaming.2.4 GHz wirele optical mouse for comfortable touchLow-voltage alarm functionPrevents hand and wrist pain aociated with traditional mouse usePlug and play mode -- no driver neededThe dongle can be neatly stored inside mouse when not in useReceiver storage compartment makes carrying easierWirele range can reach 10 metersSystem support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8, Windows 10 and so on.

About shippingShipping and Packaging All it will be double checked and well packed before sending.It 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 .Your 100% satisfaction is very ant to usIf 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.