RA KE ET SEAR EK Mummify Mf Livy HZK650 HZKé50 HZK6&50 HZK850 HZKé50 HZKé&50 Packing list Function Brief 1. Volume +:Short press to Increase the volume, long Boot and Bluetooth Docking HZK850 Press to play previous song. Type ¢ charging line i wow The 3.5 mm audio line | Manual X 1 2. Powsr: Lang press to switch the machine on and off. ‘After power on, short press to switch between microphones volume and accompaniment volume adjustment. 3.