Item Type: Wireless Camera Remote ShutterMaterial: ABS + RubberBattery: Button Cell (Built In) Model: CR1632 Capacity: 120mahSuitable: For Xiaomi for YI Technology Camera, for Xiaomi Bluetooth self timer (need to upgrade the firmware to V1.1.0 or above), support Bluetooth 4.1 Compatible with mainstream cell phones, tablets, etc. Bluetooth Range: Approx. 10m/32.8ftPackage List1 x Wireless Camera Remote Shutter1[Stable Performance] No shake, no blur, Bluetooth remote control for clearer photos. Click the button for selfie or video recording. 2[Easy to Use] You can choose to use a tripod and wireless bluetooth camera wireless shutter control to easily take photos or videos from any angle. 3[High Quality Picture] Lets you take pictures freely and steadily with one click to help you publish high quality pictures and videos. The moment you turn on the switch, click the button and get great images instantly. 4[Simple Operation] The bluetooth wireless selfie button clicker uses bluetooth 4.1 wireless technology to connect your device once, without complications. 5[Compact Design] The selfie remote is compact and lightweight. It can be hung on a key chain or tucked into a pocket or camera bag. With a wrist strap, it is easier and faster to use. 6[Application] For Xiaomi for YI Technology Camera, for Xiaomi Bluetooth self timer (need to upgrade the firmware to V1.1.0 or above), support Bluetooth 4.1 Compatible with mainstream cell phones, tablets, etc. YI Technology.