Feiyu Vimble 2 Extendable 3-Axis Smartphone Gimbal Stabilizer Compatible for iPhone, Gopro with Object Tracking, Panarama Shooting, Dynamic Time-Lapse Feiyu aims to continuously improve itself. Unlike the old version of Vimble 2 on the market, we upgraded the system from version 21.0.05 to version 21.0.06 to make the gimbal more smooth during runtime and you can use it with a GoPro adapter. You can easily use your smartphone, Gopro 6/5/4/3+/3, on this gimbal. It is worth noting that when used with GoPro, it can only be achieve 4 mode: Pan mode, Follow mode, Lock Mode, Reset mode. Updated  Vicool  APP supports Auto-Tracking, Time-Lapse and Filter Options. Newly added 18cm long extension bar gives more enjoyment when taking selfies and taking group photo. wider viewing range, more beautiful scenery. NOT ONLY supports Auto-Tracking Face Identification, BUT ALSO supports object Identification Tracking, which means you can select any "sign " object to have an nice tracking shooting. New trigger button with quick setting function, sets free your hand while shooting. Long pressing for quick locked mode, release to enter previous working mode.The more professional and delicated Dial-type focus-adjustment keys is built in Feiyu Vimble 2, You can zoom in or out as you want to take close-up shots. The phone stabilizer can be charged by portable power source and the phone can be charged by the stabilizer via USB port on tilt axis. The two-way charging can happen at the same time, guaranteeing the longest operation time possible. A: If the smartphone is unbalanced after being mounted, pull or push the cross arm until the phone is horizontal. A: Because the weight of the phone is different, you need to adjust the strength of the motor in the Vicool APP. When using a lightweight mobile phone such as the iPhone 5, vibration may occur. So need to adjust the strength of the vertical arm to the middle position. A: The motor got hot is because the phone is not adjusting the balance. An unbalanced state causes the motor to constantly adjust the balance. You should pull or push the cross arm until the phone is horizontal. A: The App could detect one or more human faces show in the main interface, and mark them with blue frame, indicating recognition is done. Using finger to choose one of them, blue frame turns to red one means lock is done. Then gimbal makes the adjustment so that the locked face moves to the center of the screen, and always follow movements of the locked face afterward. A: Using finger to sliding choose the object you want to track, when the blue frame turns to a green one, that means lock is done. Then gimbal makes the adjustment so that the locked object moves to the center of the screen, and always follow movements of the locked object afterward. It is better to choose the object which has a big difference from surroundings. If the object was in a complex environment, or the shape of the locked object was changed, there is some probability that tracking will be failed. A: When Vimbe 2 is off, press and hold the Bluetooth shutter and function button at the same time to clear the Bluetooth pairing information.