BrainCo Demonstrates Mind-Controlled Bionic Hand Playing Piano at HSBC Summit

BrainCo captivated audiences at the HSBC summit with a striking demonstration: a bionic hand controlled entirely by brain signals played a short piece on the piano. The presenter moved each finger of the prosthetic using nothing but mental commands, showcasing what the company claims is the world's first prosthesis with independent finger control.

How BrainCo's Non-Invasive BCI Works

The brain-computer interface (BCI) developed by BrainCo relies on a non-invasive approach. Sensors placed on the skin's surface read neural signals beneath it, which are then converted into commands for the device. Nix He, partner and senior vice president at BrainCo, explained that the sensors detect neural impulses through the skin, causing muscles to contract and move the hand accordingly.

During the live presentation, a man wearing a bionic arm demonstrated the device's responsiveness to nerve impulses, controlling individual fingers through thought alone. The demonstration culminated with the participant playing a brief musical piece on a piano — a vivid proof of the technology's precision.

Why This Matters

BrainCo's technology offers a fundamentally different path from invasive BCI methods. Neuralink, the most prominent player in the space, implants ultra-thin threads with electrodes directly into brain tissue to read neural activity. While this invasive approach delivers higher accuracy, signal quality degrades over time.

According to Nix He, BrainCo's non-invasive method is safer, more readily accepted by patients, and carries lower risks and costs. She acknowledged that serious brain conditions like Parkinson's disease or blindness may require surgical intervention, but emphasized that alternative approaches — like the one BrainCo offers — also exist.

Applications Beyond Prosthetics

The technology extends well beyond controlling bionic limbs. BrainCo's BCI can help patients manage symptoms of certain medical conditions. He also noted that the company's technology can be applied to improve focus and enhance sleep quality.

BrainCo was founded in the United States by Harvard University graduate Han Bicheng. Nix He holds a Master of Laws degree from Harvard Law School. Last year, the company established its Asia-Pacific headquarters and a research base at Cyberport in Hong Kong.

The Broader BCI Landscape

The brain-computer interface industry is experiencing rapid growth. In March 2025, China's regulator approved the country's first neural implant for commercial use, signaling increasing momentum for BCI technologies in Asia. BrainCo's expansion into Hong Kong aligns with this trend as the region positions itself as a hub for neurotechnology development.

The competition between invasive and non-invasive BCI approaches will likely shape the industry's trajectory. Invasive methods offer superior signal precision, while non-invasive solutions provide greater accessibility and safety for a broader user base.