The Eratosthenes E10 wireless magnetic stylus pen is a high-quality writing tool designed for use with tablets and eBook readers. Its magnetic feature allows for easy storage and retrieval, making it a convenient accessory for on-the-go use. The white color and sleek design make it a stylish addition to any workspace. Produced by Evatost Consulting LTD, this stylus pen is a reliable and efficient tool for all your writing needs.  I just say, I am not an expert. If you have specific questions regarding this item, I will do my best to answer them. Please look closely at the pictures and ask questions if you have any.