Easy to operate: It is easy to operate in three steps. First of all, turn on. Secondly, connect the Bluetooth. Finally, take pictures.Convenient: With this product , it is no need to find someone to help take a group photo. It can control to take a photo in 10 minutes.Selfie artifact: With this product, it can solve the problems that hands can only take a and one handed photo is easy to slip and shake.Light: With the beautiful design, this product is suitable for us. It is like a ring, it is very light and makes you feel comfortable.Take pictures easily: Simply cumbersome steps and say goodbye to the distress of taking pictures only when you are touching the screen. With the thumb moving, you can take the most beautiful photos at your heart.Item Type: wearable deviceBattery: built-in batteryRemote control range: up to 10mBattery capacity: 30mahContinuous working time: 8 hoursStand-by standby time: 100 hoursColour:BlackMaterial:plasticPackage Contents:1 x Self timer remote controlOnly the above package content, other 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.