Sharp BRAIN Electronic Dictionary for High School Students 2021 Model (6 Subjects) PW-H1-K (Navy)

External dimensions: Closed (thinnest part, excluding protrusions): 152.4mm W x 94.5mm D x 17.9mm H Closed (including protrusions): 152.4mm W x 94.5mm D x 18.4mm H Main unit user area: approx. 200MB Power source: Lithium-ion rechargeable battery*1 *1 Can be charged using the included AC adapter and microUSB cable. * Customers cannot replace the battery. Usage time: Approximately 140 hours*2 *2With no card installed and continuous display at an operating temperature of 25°C (when display brightness is set to 3 and the display dims 30 seconds after it is turned on). Also, if you enter "dictionary" into an English-Japanese dictionary using one keystroke per second to display the English-Japanese translation screen at an operating temperature of 25°C, and then repeat this process for 5 minutes, followed by 55 minutes of continuous display, the result is approximately 70 hours. Accessories: Touch pen, microUSB cable, AC adapter*3 *3 The AC adapter is designed for use in Japan, but is compatible with AC 100-240V (50/60Hz).