[Maintenance] Our head massager is made of high-quality materials, durable and easy to clean. Wipe with a soft and slightly damp cloth. Please note that the massager must be charged with the USB data cable in our packaging box to avoid battery damage due to voltage problems. If the battery is damaged due to improper charging, our company will not repair or replace it.[Instructions for use]1. Press the power switch to start working, 3-step intensity, choose the mode you like, continue to press the switch to stop; 2. The machine will automatically shut down after 10 minutes of continuous work.[Complete relaxation] Experience ultimate relaxation with our cordless portable head massager. Let the 12 prongs gently massage your scalp, relieve stress and promote better sleep. The soft rubber beads and prongs provide a soothing massage that will make you feel refreshed.[Well-designed] The shape and elastic forks of the massager move gently over your scalp, stimulating the brain and neck for a truly invigorating experience. The gentle massage will calm your whole body, leaving you feeling good and ready to face the new day.