Feature:1. EASY OPERATION: This cell phone multimedia wireless bluetooth ring controller is able to realize music and video control functions such as previous or following song, pause or play, previous or following page, etc., and at the same time, it can also be used to take photos, likes and other operations, which are easy to control without touching the phone.2. WIRELESS REMOTE CONTROL: Bluetooth ring controller uses bluetooth 5.0 to connect to the phone, which can realize wireless control within a distance of about 10 meters, without touching the phone, more convenient and practical.3. SELFIE PRACTICAL TOOL: You can easily take professional looking photos without the help of others, just press your finger gently to control your cell phone to take photos, making selfies simpler.4. LONG LASTING: The bluetooth phone controller ring has a built in 25mAh lithium ion battery, which can be used for a long time after charging, no need to charge it frequently, saving time and ensuring sufficient usage time.5. STYLISH TECHNOLOGY DESIGN: This bluetooth ring controller is loved for its small, lightweight and innovative design, which is not only comfortable and convenient to wear on your hand, but also has a high sense of fashion.Specification:Item Type: Bluetooth Ring ControllerMaterial: ABSConnection: Bluetooth 5.0Wireless Distance: Approx. 10m/32.8ftFunctions: Previous or Following Song, Pause or Play, Previous or Following Page, Shooting, Likes, Etc.Battery Type: Built In 25mah Lithium Ion Battery.Package List:1 x Remote Control 1 x Data Cable1 x User Manual1 x Storage Box