can be connected with your smartphone by BT connection, you can take the photos through this remote control, compatible with Android 4.2.2 OS or newer and iOS 6.0 or newer.【Wide Application】: Lightweight and portable design, easy to store in your bag and carry anywhere. With this ring light, you will look delicate and perfect in photo or video, widely used in portrait, live streaming, selfie photos, makeup, online teaching, shooting video, etc. Suitable for all the need to fill the light of the environment. Suitable for living room, study room, bathroom or office, etc.Specifications:--Ring LightMain Material: Plastic ShellNumber of LED Count's: 64 pcsColor Temperature: 3000-6000 KelvinColor Rendering Index: ≥80RAInput Voltage: 5VPower Output: 6WCurrent: 1.2APower Source: USB Cable PoweredItem Weight: 148g / 5.2ozOuter Diameter: 16.0cm / 6.3inInner Diameter: 10.8cm / 4.3in--Light StandColor: BlackMain Material:Aluminum AlloyFolded Height: 26.0cm / 10.2inMaximum Height: 45.0cm / 17.7in--Remote ShutterColor: BlackCommunication: BT Version 3.0Transmit Frequency: 2.4GHz-2.4835GHzBattery: 1 * 3V CR2032 cell(included)Package Size: 28.2 * 24.2 * 8.0cm / 11.1 * 9.5 * 3.1inPackage Weight: 893g / 31.5ozNotes:Please allow 1-10mm measuring deviation due to manual measurement.Please read the user manual carefully when you start to use the product.The smartphone is not included.Package List:1 * Ring Light1 * Light Stand1 * Smartphone Holder1 * Clamp1 * Ball Head Mount1 * Remote Shutter1 * User Manual for LED Light (English,Chinese)1 * User Manual for Remote Shutter (English)