Foldable, easy to carry; Rainproof; Adjustable sound level on 10 levels; Multiple dynamic audio options: PWM, SQUARE, and more to come; 4-band equalizer; Auto power on/off after pairing with the master device (remote control or WS6); Auto-off 5mn if the headphones are turned on without a master device; Auto-off 5H if no keyboard manipulation on the controller (each modification by pressing a key restarts a timer of 5H); Led indication of the battery life; Made in France