Feature Highlights: 1. 2-in-1 Writing Tablet & Calculator – Combines a scientific calculator with a 6.5-inch reusable writing pad. No more wasting paper or pens—write, calculate, and erase with ease. 2. Portable & Compact – Lightweight and pocket-sized, it fits easily into bags, purses, or pockets. Includes a built-in stylus for quick notes anytime, anywhere. 3. Quiet Silicone Keys – Soft-touch buttons provide a noiseless typing experience, perfect for use in libraries, offices, or shared spaces without disturbing others. 4. Reusable Writing Board – Clear the screen with one click. If it doesn’t erase, check the lock switch. Features a built-in rechargeable battery for long-term use. 5. Eye-Friendly Design – No blue light emission, reducing eye strain during extended use. Ideal for work, study, or everyday calculations. Product Details: This portable 2-in-1 calculator notepad is made from durable ABS material and includes a built-in 120mAh lithium battery that lasts 3–6 months per charge. The writing board supports over 50,000 erasures and allows up to 12 digits of input. It’s perfect for basic math, note-taking, and tracking calculations on the go. Use it at home, school, the office, or while shopping—wherever you need quick notes and reliable calculations. Specifications: - Item Type: Calculator Notepad - Material: ABS - Color: Black - Battery: Built-in 120mAh lithium battery (included) - Single Charge Usage: 3–6 months - Writing Board Life: 50,000+ erasures - Max Input Digits: 12 - Use Cases: Four operations, recording steps and results, simultaneous calculating and writing - Suitable For: Home, school, office, shopping, and daily use Package Includes: 1 × Calculator Notepad 1 × Stylus 1 × USB Cable 1 × User Manual