Retail Price: ¥24,800 ◻️ Condition Used ◻️ Main Unit XB-01 (Weight: 30g, Size: 80 x 40 x 13mm) ◻️ Accessories Band-type holder The dedicated application "active brain club" is required. ※ Rechargeable Operation confirmed ※ Instruction manual, charging cable, and box are not included. Developed by NeU Corporation, a joint venture between National University Corporation Tohoku University and Hitachi High-Tech Corporation. Achieves the world's smallest and lightest class. It has a built-in lithium-ion battery and can be used continuously for approximately 3 hours. It also has a built-in 6-axis acceleration sensor. It detects head movements and noise caused by body movements. In addition to measuring brain activity, combining multiple parameters is expected to create new measurement indicators and improve accuracy. Enables easy brain measurement in various everyday situations. In a home environment, a band-type holder is used for easy attachment and detachment to record daily brain activity. In a work environment, it can be incorporated into a transportation driver's hat or a helmet at a work site to visualize brain activity during work. It is expected to be used for accident prevention and improved productivity, etc.