Tesollo is a hardware startup that has developed innovative devices such as the NUBO Rosetta smart pen, which helps users memorize vocabulary more quickly; and the Penna Pointer, a laser pointer with simple yet useful features such as anti-shake and color pen mode. Tesollo is currently developing a robotic arm for forearm amputees. Founded in 2017, the startup was named a top 80 company at Slush Tokyo in 2018.

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