Blue E-Pencil with voice function, made by KUMON, supports learning. - Brand: KUMON - Model Name: E-Pencil - Color: Blue - Accessories: Case Purchased about 3 years ago and used for several months. I have confirmed the operation of the voice buttons, etc., but I no longer have the teaching materials, so I have not been able to confirm the operation with the materials. SD card and batteries are not included. Thank you for your understanding. Thank you for looking.