Do you have a question about the Kissral R18 and is the answer not in the manual?
Short press the MFB (R or L) button in standby mode to play, pause, or resume music.
Double click MFB(R) for volume up, MFB(L) for volume down. Volume can also be controlled on the connected device.
Includes avoiding drops, using certified cables, not disassembling, keeping dry, out of reach of children, avoiding thunderstorms, proper cleaning, and avoiding high temperatures.
Advices to avoid hearing damage by limiting exposure to high volume and being aware of surroundings while driving.