... ) 2, video / sound recording button3, UNIVERSAL KEY (UKEY) (on / off / answer / hang up / on-line key) Video / photo / audio instructions 1, ... then press "" button to save record 3, short press "" key to enter the camera function, the green light flashes, then ... video clip. Bluetooth Instructions: 1, Bluetooth Model: HF-DV56 2, UNIVERSAL KEY (UKEY) to boot, shutdown, on-line, answering 3, Bluetooth ...