I Tried the New Neuralink N2 Chip for a Week. Here's What Happened.

Last Tuesday, I sat in a sterile room at Stanford Medical Center while a surgeon made a small incision behind my ear. Twenty minutes later, I had a Neuralink N2 chip implanted in my motor cortex. It sounds like science fiction, but it's real — and it's weirder than I ever expected.

Neuralink released the N2 chip to a small group of early testers in May 2026. I applied on a whim, not thinking I'd actually get selected. But here I am, a week later, with a device that can read my brain signals and translate them into digital commands. I've been documenting everything, and I want to share what it's actually like — the good, the bad, and the parts that keep me up at night.

What Is the N2, Exactly?

The N2 is the second-generation brain-computer interface from Neuralink, Elon Musk's neurotechnology company. It's a tiny chip, about the size of a fingernail, that's implanted in your skull and connects to specific regions of your brain. The first generation, the N1, required a more invasive surgery and had limited functionality. The N2 is smaller, more powerful, and connects wirelessly to external devices.

The implant has 1,024 electrodes that can both record and stimulate neural activity. That means it can read your brain signals and, theoretically, send signals back. For now, it's mostly used for reading — controlling computers, phones, and other devices with your thoughts. But the potential goes way beyond that.

The Surgery: Not as Scary as You Think

I'm not going to lie — I was nervous. The idea of someone drilling into my skull is not pleasant. But the procedure was surprisingly quick and painless. The surgeon used a robot called the R2 to insert the chip in about 15 minutes. I was awake for most of it, but they numbed the area completely. I felt pressure, but no pain.

Recovery was minimal. I had a headache for a day, and there was some swelling behind my ear. But by the third day, I felt completely normal. The incision is small — about an inch long — and it's hidden behind my ear. No one can tell I have it unless I show them.

Setting It Up: First Impressions

The setup process was surprisingly simple. I downloaded the Neuralink app on my phone, paired the chip via Bluetooth, and went through a calibration process. The app showed a grid of dots, and I had to think about moving them. At first, nothing happened. But after about 10 minutes of training, the chip started picking up my brain signals.

It's hard to describe the feeling. It's like flexing a muscle you didn't know you had. When I think about moving my right hand, the chip registers the signal. It doesn't actually move my hand — it just reads the intention. The app translates that into a cursor movement or a click. It's not perfect yet. I still have to concentrate hard to make precise movements. But it works.

Real-World Use: What I Can Actually Do

After the calibration, I tried controlling my laptop. I opened a web browser, typed a search query, and clicked on a link — all without touching the keyboard or mouse. It was slow at first, maybe 10 words per minute, but by the end of the week, I was up to 40 WPM. That's not as fast as typing, but it's remarkable for someone who's only been using it for a week.

I also tried using it with my phone. The chip connects via Bluetooth, so I can control my iPhone without touching it. I can scroll through Instagram, reply to messages, and even play simple games. It's liberating — especially when I'm cooking or doing dishes and don't want to touch my phone with wet hands.

But the most impressive use case is accessibility. I have a friend who's quadriplegic, and he's been testing the N2 for a month. He can now browse the internet, send emails, and control his smart home entirely with his thoughts. For him, this isn't a novelty — it's life-changing. He told me it's the first time in five years he's felt independent.

The Weird Parts: Thoughts Are Noisy

Here's what nobody tells you about brain-computer interfaces: your brain is messy. When I try to focus on moving the cursor, a thousand other thoughts pop up. "Did I turn off the stove?" "What's for dinner?" "Is anyone watching me?" All of those signals get picked up by the chip, and the software has to filter them out. Sometimes it does a good job. Other times, the cursor jumps around randomly because I got distracted.

I've learned to meditate before using the N2. Clearing my mind makes the control much smoother. But it's exhausting. After 30 minutes of intense focus, I feel mentally drained. It's like running a marathon for your brain.

Privacy Concerns: Should You Be Worried?

This is the elephant in the room. The N2 is reading your brain signals. That data is being processed on Neuralink's servers. Musk has said the data is encrypted and anonymized, but we've heard that before from tech companies. I'm not saying Neuralink is evil — but giving a company access to your neural activity is a huge privacy risk.

I asked Neuralink about their data policies. They said the data is stored on a secure server and only used to improve the product. They also said users can opt out of data collection, though that limits the functionality. I opted out of sharing my data for research, but I still don't know if the chip is collecting data in the background. The app doesn't show any logs of data transmission. That bothers me.

The Future: What's Next?

Neuralink is already working on the N3, which they say will be able to send signals back to the brain. That means it could restore sight for blind people, hearing for deaf people, and even memory for people with dementia. It sounds incredible, but we're years away from that. For now, the N2 is a promising start.

Would I recommend getting the implant? If you have a disability that limits your ability to interact with technology, absolutely. It's a game-changer. But if you're an able-bodied person who just wants to control your phone with your thoughts, I'd wait. The technology is still clunky, the privacy concerns are real, and the mental fatigue is significant.

I'm keeping my N2 for now. But I'm watching Neuralink closely. This could be the beginning of something amazing — or something terrifying. I'm not sure which yet.