Generic Wireless Finger Ring Mouse Universal 2.4 GHz USB 1600 Dpi Optical Mouse for All Laptop Notebook Tablet PC Desktop (Black)

【ERGONOMICAL DESIGN】 - Ergonomic design, fit the hand curve, it allows the hand to move naturally in the legs and any part of the body. It prevents the elbow and wrist pain from being used for a long time. Working Method - Powered by 1 x AAA battery. It has automatic sleep mode for standby.【BLUETOOTH WIRELESS】 MOUSE - Reliable bluetooth wireless technology that provides wireless connectivity within a 10 meter range. Special finger ring design, sensitive photoelectric mouse, smart exterior design.【OPTICAL HANDHELD MOUSE】 - bluetooth wireless finger ring mouse is a great help to users who always bring laptops out for business. You can type while you are using the mouse. Tips: It might be not so convenient for users who get used to type by 2 hands.【TROUBLESHOOT】 - Can't get paired? Step 1: Disable your cellphone or computer's Bluetooth for 30s; Step 2: Enable your cellphone or computer's Bluetooth and search Device Name: Bluetooth 3.0 Mouse and get paired.【WIDELY COMPATIBILITY】 - finger mouse is suitable for Android smart phones over 4.0, Android tablet with Bluetooth, Bluetooth TV, desktop with Bluetooth adapter, laptop, etc. Attention: not working for iOS like iPad or iPhone. But working for Mac OS.