... and sterilization:1.Equipment clean. 1) Remove the battery. 2) Use a soft brush to remove dust, hair and pieces of debris ... , severe vibration, compression, moisture, etc.; 6, The handling requirements: light-light, non-scrolling box.A ),Please do not use the pen with the ... without expression ability to use the pen.(3) Do not use the pen while having a bath,do not use it in the bathroon ...