Item Type: Smart Ring ControllerMaterial: ABS+SiliconeFunction: Control APP short video page flip browsing and likes and other functionsBluetooth Version: 4.0Battery Capacity: Built in 20mAh Lithium Battery (included)Charging Input: 5V-20mACharging Time: 2 hoursBattery Life: 24 hoursEffective Range: Approx. 10m /33ftScope Of Application: Suitable for All SmartphonesNote: For iOS system mobile phones need to open Settings > Accessibility > Touch > Accessible Touch to enable normal usePackage List1 x Smart Ring Controller1 x Data Cable1 x ManualFor iOS system mobile phones need to open Settings > Accessibility > Touch > Accessible Touch to enable normal use.1[High Quality Material] This phone video swiper controller is made of ABS+silicon, which is safe and skin friendly and can be used comfortably for a long time. 2[Free Your Hands] Free your hands, you can watch videos while lying down, swiping when you are busy, swiping when you sleep during lunch break, and so on. 3[Easy Operation] Simply move the control button with your hand, then press the control with your index finger, saving the trouble of using your thumb. Convenient to use. 4[Handy and Practical] Save the trouble of using hands to play another video, more comfortable on watching videos, no more finger prints or indecent finger marks on your phone screen or other electronic devices. 5[Widely Compatible] Our video playing controller smart ring is designed for iPhone, for iPod models, it is also suitable for other smartphones and tablets. Note: For iOS system mobile phones need to open Settings > Accessibility > Touch > Accessible Touch to enable normal use.