Smart Remote Control Ring- This wireless bluetooth mouse mention provides powerful and convenient functions such as one-button photo taking, page flipping and reading. This finger mouse is perfect for office work, conference presentations, classroomteaching, working at home, watching movies on the couch/bed, etc. This wearable mouse is an ideal Christmas gift for your family and friends. Ergonmic Design- The remote control mouse adopts ergonomic design, wearing on the finger can effectively reduce the damage to the hand wrist joints and muscles. This wireless ergonomic mouse is the best choice for arthritis patients. The soft siliconering of this compact rechargeable mouse ensures optimal comfort even when worn for long periods of time, and wearing it while typing will not cause interference. Stable Bluetooth Connection- This mini mouse wireless uses advanced Bluetooth 5.0 technology to provide a reliable and robust connection with a working distance of up to 10 meters (32 feet). Widely Compatible- This handheld mouse is compatible with iOS, Android and Hongmon OS systems. This ring mouse supports most Bluetooth-enabled cell phones and some tablet devices for daily life. (Suggestion: This thumb mouse has better compatibilityon cell phones than tablets, it is recommended to use it on cell phones.) Rechargeable & Portable Design- This bluetooth wireless mouse has a built-in rechargeable battery that can last up to 10 hours on a single charge, and the charging time is about 1.5 hours, no need to replace the battery. Size: 80*80*40 mm, Weight:35 grams, this portable cordless mouse for iphone is compact and lightweight, can be easily put into the bag or pocket to carry around.