1. Multifunctional Bluetooth Remote Control - You can use this shutter to take photos/videos, adjust volume, pause playback and turn pages, all keys support double-click and long-press to perform various operations on the phone. 2. This remote can be used with Video Software, it can control volume, pause playback, record video, you can use it to swipe up and down, double tap to like video. 3. Portable and Lightweight - This remote is small and easy to carry, just put it in your pocket and put it on your keychain, 4. NOTICE FOR IOS USERS- If you are an for IOS system user, please turn on the assistive touch function that comes with the system, otherwise this product will not work normally. 5. NOTE FOR TAKING PICTURES - Due to the different positions of the camera key in the cellphone's camera program, if the bluetooth remote control camera key does not work normally, please press and hold the right or up key for 3 seconds to take a picture. Transmission distance: 10 meters Battery life: 2 years(with 1 CR2032 button battery) Colour:B:Black Material:ABS Package Contents: 1 x Mobile video live broadcast remote controller 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.