Functions: 1. Remote camera: can be used to control; The Camera app is used to take photos and shoot videos. The effective distance can reach 30 feet; 2. Other functions: suitable for a variety of popular applications, compatible with iPhone/iPad volume control; 3. Easy to carry: small size, can be placed. Put it in your pocket or hang it on your key ring. Operation method: Turn on: press and hold the remote control for 3 seconds. If the blue light on the right side flashes, it means the power is not connected; turn on the phone's Bluetooth and enter the settings, search for the G66 remote control name, click the pairing connection; Compatible with iOS system setup operation: click the phone settings - click accessibility - click touch - click assistive touch - enable assistive touch; Instructions: Product name: Fingertip remote control; Product model: GT66; Battery capacity: 50 mAh; Bluetooth compatibility: 4.2; p> Bluetooth compatibility distance: 10M; Loading interface: Type-C; Product color: black/white/blue Product compatibility: universally compatible with Android/ios systems; Packing list: p> Bluetooth-compatible controller x 1 Type-C charging cable x 1 Note: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before bidding. 2. Due to differences between different monitors, the image may not reflect the actual color of the product. THANKS.