• 【Ultra-Thin Design】The JY-819 calculator boasts a sleek card-like profile, measuring only 0.3cm in thickness for ultimate portability
• 【Solar Powered】Equipped with solar technology, this calculator eliminates the need for battery replacements, ensuring long-term use
• 【Touch-Sensitive Keys】Featuring responsive touch-sensitive buttons for smooth and efficient operation
• 【Lightweight Construction】Weighing just 13g, this calculator is incredibly light and easy to carry in wallets or pockets
• 【Durable Materials】Constructed with ABS plastic and quality electronic components for lasting durability

Specifications:

• Material: ABS+electronic components
• Product size: 5.6*8.7*0.3cm
• Product weight: 13g
• Power supply: solar energy