change the discomfort into a relax for rest.?Feature 35 days by sea.Using Method1、Open the package and check the integrity of the product against the product specification.2、After turning on, it can automatically timed for 15 minutes and automatically shut down after 15 minutes.3、Press and hold the switch button for three seconds to turn it on, the blue indicator lights up and the first vibration mode is turned on. Press lightly, the green indicator lights up and the second vibration mode