1. Product size：45 x 35 x 190~1000 mm 2.Bluetooth version：BT 4.0 Bluetooth distance:10M 3.Battery:CR1632(CAN CHANGE) 4. Support System:Android system Android 4.3 and above ; iOS system 5.1 5.Phone size:4.0-6.2 inches 6. Function: Yuntai accessories, mobile phones, sports cameras are easy to use, but also compatible with dji, GOPRO, millet and other sports camera accessories. Tripod + bluetooth selfie device, Android, iOS are compatible, 360 degree rotation, make the photo more beautiful.