L07 mobile phone Live Fill Light Photo LED Selfie Stick Ring Fill Light Wireless Control Dimmable Camera Phone Ring Lamp With Stand Tripod For Makeup Video LivePhoto LED Selfie Stick Ring Fill Light Wireless Control Dimmable Camera Phone Ring Lamp With Stand Tripod For Makeup Video Live  Product Name: Portable 5-inch headlight Bluetooth tripod self timer Material: ABS material, aluminum tube, pcba, button battery, polymer battery, electroplating, LED lampSupport cell phone width size 9cmMaximum length 920mm (including lamp length)The maximum height of tripod opening is 810mm (including the length of lamp, and the last pipe shall support the ground) Bluetooth remote control parametersBluetooth version 4.2Transmission frequency: 2.4ghz-2.4835ghzBluetooth transmission distance more than 10 metersWorking voltage: 3VAndroid 4.44 and aboveIOS Bluetooth version 4.0Battery model cr1632Standby time: normal standby time more than 1 year5-inch headlamp parameters  Device battery 1200mhaCharging current: DC5V / 900mAWorking current 1APower consumption 4WService time: 2.5h-5h