Water -proof type headphone who easily adjusts

The utility model provides a water -proof type headphone who easily adjusts, includes earlap and headring, its characterized in that: including adjusting device and watertight fittings, the earlap includes left earlap and auris dextra shell, the headring includes left headring and right headring, adjusting device includes regulation band and adjusting collar, the adjusting collar rotates with leftheadring through the pivot to be connected, be equipped with the adjusting knob on the adjusting collar, the adjusting knob passes through the axis of rotation and is connected with the adjusting collar rotation, be equipped with the nail post on the adjusting knob, the adjusting collar surface is equipped with and follows closely the nail hole of column kit, the axis of rotation lower extreme isequipped with the rolling disc, the rolling disc top is connected with the spring change, the spring change is passed through the spring and is connected with the rolling disc, the spring change is rotated with the adjusting