Livescribe Echo Smartpen - a pen that can write, record, and play piano. Huh, what?
5 Best Digital Pens Reviews of 2021 - BestAdvisor.com
Review: Livescribe Echo smartpen iPad's opposite
Livescribe Sky wifi smartpen Review: Livescribe's Sky Wi-Fi smartpen automatically synchronises notes and audio to Evernote - Gadgets - PC World Australia