Features:_x000D_WIDE RANGE OF USE You can use this remote control to swipe-short video software, take pictures with your mobile phone, read novels, read comics, etc._x000D_RING-SHAPE Ring-style design, small size, light weight, easy to wear on the finger, ergonomic design, will not fall off, use will not be tired._x000D_High Quality The video controller adopts plastic, which is safe and skin-friendly, ergonomic rings design, and comfortable and beautiful to wear. The perfect gift for his birthday, valentines and more._x000D_When remote control is used with a mobile phone or other BT device for the first time, it must be connected first._x000D_Say goodbye to sore hands and cramped fingers - our Multifunction Vibrating remote control truly lets you release both hands and enjoy your favorite medias in comfort._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different and light effect_x000D_2.Please allow 1-3cm deviation due to manual measurementProduct size: 25*25*36mm_x000D_Battery life: about 10 hoursPackage List:_x000D_1x Mobile Phone Bluetooth-compatible Remote Rings