Bluetooth Remote Manual: 1. Turn on the switch, the LED light flashing blue shows it is in pairing mode. 2. Turn on the Bluetooth on your phone, select AB Shutter3 from the list. 3. If you can't connect properly, please press any key on the Bluetooth keyboard to reconnect. 4. It will show Connected when successfully paired. Note: Bluetooth remote shutter cannot be used for cameras. Only some cellphones support video shooting and pause. USB Controller Button: +: Press the button to increase brightness; Cycle: Press the button to switch lighting mode; -: Press the button to decrease brightness; ON/OFF: Press the button to control on/ off. USB Powered: Compatible with most devices that support USB port, like PC, laptop, power bank, USB charger, AC adapter and more. Specifications: LED Lights: 120 LED bulbs Lighting Modes: white, warm white, warm Brightness Levels: 10 levels Color Temperature: 2700K-6500K Ring Light Size: 10.2inch Light Bar Width: 0.98inch Bluetooth Range: 33ft Bluetooth Remote Compatibility: iOS/Android system Battery Model: CR2032 Power Supply Mode: USB powered Power: 12 watts USB Cable Length: 6.56ft Phone Width Size: 2-3.2inchadjustable Package Weight: 1.3lb Package Lists: 1 * 10 inch LED Ring Light 1 * Remote Controller 1 * Selfie Remote Controller 1 * Tripod Holder