1. Product size: 45 x 35 x 194~1045 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:65-92mm 6. Function: Own supplementary light + six gears (three-color temperature) ; 1045mm extension rod ; Bring your own tripod + Bluetooth selfie stick; 360 degree rotation supports vertical and horizontal beats; Both Android and iOS are compatible.