10M Remote Control: You can use it to watch videos, or take pictures and record videos, just within a distance of 10 meters. Take Selfie: The scrolling ring can be adjusted to size, you can control the shutter of the phone, easy to take photos, convenient and quick. Long Endurance: Built in 30mah lithium battery, rechargeable, small battery, large energy, low power consumption continuous escort. Remote Control Page Turner: You don't need to constantly slide the screen up, down with finger when watching short videos or reading novels. Leaves your hands free. Support for mainstream APP. 5.1 Stable Connection: Turn on , instantly connected, easy matching, stable operation.