Feature:1. Stable Connection: Bluetooth 5.1 Stable connection, turn on bluetooth, instant connect and can be used, easy to match, stable operation, to ensure normal use.2. Selfie Bluetooth Remote Control Ring: Wear on the index finger, the ring can be adjusted to size, a thumb tap can control the shutter of the phone, easy to take photos, convenient and quick.3. Support for Mainstream APP: Support a variety of mainstream short video APP, beauty camera, novel APP, to meet the application needs of different software.4. Novels and Comics Page Turning: Easy remote control page turning, ebook up and down page turning, one key remote control to enjoy comfort.5. 10M Remote Control and Thumb Up Remotely: Easy to thumb up remotely, make brush shake audio and video more interesting; 10 meters range at will, for you to retain the nice moment.6. Endurance: Built in lithium battery, rechargeable, small battery, large energy, low power consumption continuous escort, fully charged after the normal photo can be used for 56 days.Specification:Item Type: Camera Remote Control Ring ClickerWeight: 11g/0.39ozMaterial: ABSProduct Model: R20Bluetooth Version: : 5.1Remote Control Distance: 10m/32.8ftBattery Type: polymer lithium batteryBattery Capacity: 30mah (shipped with built in battery).Package List:1 x Remote Control1 x Instruction Manual