Item Type: Arithmetic Exercise Toy <br>Material: Plastic <br>Model: V5 <br>Battery Type: Inbuilt 100mAh Lithium Battery (Battery Included) <br>Endurance: Continuous Use for About 30 Hours <br>Speaker: 0.25W <br>Screen: Black White Digital Display <br>Charging: Usb C Charging (Cable Not Included) <br>Keys: 27 Silicone Keys <br>Functions: Single Digit Addition and Subtraction, Double Digit Addition and Subtraction Operation, Multiplication and Division Operation, Games, Addition, Subtraction, Multiplication and Division Formulas1、Digital Display: This arithmetic exercise toy adopts skin friendly and durable plastic. Designed with clear digital display. <br>2、USB C Charge: This arithmetic training machine with 100mAh battery can be used for 30 hours long, supports USB C charge(USB cable not included). <br>3、Multi Function: This math oral trainer with voice prompt supports addition, subtraction, multiplication and division tests, math games, math formulas, timel imited tests etc. <br>4、Cartoon Style: This oral arithmetic trainer features cute appearance in cartoon style, which is lovely and eye catching. <br>5、Perfect Gift: This oral arithmetic trainer contributes to promote logical thinking, perfect gift for kids on Birthday gifts, Halloween, Christmas, Children's day, etc.1 x <br> <br>Arithmetic Exercise Toy<p>1 x User Manual</p>