Vender ★Calculator Writing Board USB Charging Carry on Convenient for Work and Study Also Inkless Drawing Or Planning Boards Pink al mejor precio

★Calculator Writing Board USB Charging Carry on Convenient for Work and Study Also Inkless Drawing Or Planning Boards Pink Welcome to babangda for shopping, you can ask customer service for a discount. Features: Two functions in one: this is a new innovative calculator, a calculator with a writing board, which is convenient for Studing and Working. Planning boards can better serve your office and study. This is a major innovation. Compared with traditional calculator, our product applies USB cable to power itself instead of one-time button battery. Performs common math as well as various financial functions, Perfect for both adults and students. Its small size can be carried around, convenient for you to work and study at any time. Specification: Working temperature of the writing pad: -10℃ to 40℃ Battery: Lithium battery (rechargeable) Charging voltage: 5V Charing time: 90 minutes Size of writing board: 6.5in Battery capacity: 120mah Writing board life: 1000,000 times Use time per charge: Over 6 months Color: Pink, Black(optional) Size: 15*9*1.4cm/5.9*3.54*0.55in Package size: 19*10*1.9cm/7.48*3.93*0.74in Net weight: 176g/6.2oz Packing list: 1*Calculator Writing Board 1*The instructions 1*USB cable