New products released in May, you deserve it! ! !: Standard Black Desktop Function Calculator Calculator Office & Stationery Features: and conversion, Function and Signs Large 12-digit display On and Off buttons, Profit margin %, +,-, Key Rollover Desktop calculator. Two-way Power: Solar (works when it is bright) and Battery (one AA battery NOT included). Note: Make sure one AA battery is inserted for continuous and accurate usage Product Description: Desktop calculator. Two-way Power: Solar (works when it is bright) and Battery (one AA battery NOT included). Note: Make sure one AA battery is inserted for continuous and accurate usage Large 12-digit display On and Off buttons, Profit margin %, +,-, Key Rollover and conversion, Function and Signs 【High Quality Material, Durable and Reliable】: Our material is made of high quality plastic ABS 【Color】: Our colors are more classic. Colors that can be referenced are: Black 【Ergonomic Design】: Reasonable size, comfortable to use and not easy to fatigue. And this material will not hurt your hands. Easy to clean and store: Compared with traditional product types, the one-piece manufacturing process has no shedding problem, is more durable and easy to clean. Great for hanging dry and easy to store. 【Applicable occasions】: Our products can be used in many occasions and can be used in your daily life. Moreover, they are small and easy to carry, bringing great convenience to daily life. 【Perfect Service】: If you have any questions, please feel free to contact us, we will reply to the message within 24 hours and solve the problem for you in time.