The CASIO EX-word XD-SV4000 is an electronic dictionary for high school students, comes with a dedicated case, features a QWERTY keyboard, and supports rechargeable AA batteries. - Brand: CASIO - Model: EX-word XD-SV4000 - Accessories: Includes a dedicated case - Type: High school model - Keyboard: QWERTY layout - Rechargeable Battery: Supports AA rechargeable batteries Thank you for viewing.