NeoSapien's 'Neo 1' Wearable AI: India's First 'Second Brain' Tests a $12 Billion Market Wave

A 'second brain' is now hanging from a chain around Dhananjay Yadav's neck. The device, a thumb-sized wearable called Neo 1, listens to every conversation and autonomously generates notes, transcripts, and task reminders. This is not a simple USB drive but the core product of Bengaluru-based startup NeoSapien, positioning itself as India's first wearable AI assistant designed to create a 'superhuman' by achieving 'Mind 2.0.'

The venture, founded by Dhananjay Yadav and his cousin Aryan Yadav in 2024, gained significant public traction following an appearance on Shark Tank India Season 4 and the official launch of Neo 1 in March 2025. The product's launch taps directly into a burgeoning global market for AI wearables, which is currently valued at $1.8 billion and is projected to grow at 31.2% annually to reach $12 billion by 2030.

NeoSapien's early popularity and product claim test the viability of personal AI hardware in a high-growth sector. The startup's success hinges on capturing a meaningful share of this expanding market, where consumer adoption, technological reliability, and competitive pressure will determine if it can ride the wave it helped announce in India.