Really like the one. They even wont exchange your product. I have the a/c on in my house and the microphone doesn’t pick it up. Now she love hers. The insole did feel quite slippery, but this could be better if it fitted me better. Item came with wires pertruding out of the USB end of the cord. Wir haben auch kurzzeitig auch mal die Birkenstock-Variante ausprobiert, die waren meinem Mann aber zu steif, daher sind wir wieder zurück zu Birkis. Creo que es buen teclado, yo tengo manos peque;as y me puede adaptar casi al instante, no batallo para alcanzar las teclas y puedo lograr y mantener mi velocidad de escritura. But, if you are cold like I am, it is absolutely worth a try. there is an end that must be in place otherwise it all just falls out.