Digital 2.4GHz Wireless Trackball Ergonomic Design Finger Using Track Ball Mouse Handheld Optical Mice Android TV PC

Note: 1. Colour of product may differ slightly, since each computer monitor displays color slightly differently. 2. Please allow 1-3cm differs due to manual measurement. Thank you for your understanding. 3. 1 inch = 2.54 cm, 1 cm = 0.39 inch 4.Dear buyers, we appreciate your business, if you are satisfied with our service,please leave us a postivefeedback and rate the details of the transaction with a "Perfect 5 stars".if you have any question, please contact us firstly before you leave feedback and Deatailed seller ratings,we can solve the problem peacefully.