Bluetooth remote control,Applicable to for ACTION4 ACTION5 Built-in battery,USB charging Thumb remote control,Small and light,Easy to install and carry Complete functions,Reasonable design Main functions:Sleep/wake-up One-button wake-up and simultaneous When the camera is in sleep mode, the B button can wake up the camera and start . The A button only wakes up but does not Complete functions Simple design Start normal or pre-recorded Camera mode switching Camera sleep and wake-up The camera automatically shoots after waking up Supports and zooming of mobile phones Supports marking Color: As Shown Material: plastic Package Contents: 1set x remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.