TesseraTESSERA
Join waitlist
A hand in a sunlit European stone alley, wearing the Sol ring
01 / 06

Tessera + Sol

Your deliverablesadvance whileyou walk.

Tessera turns voice fragments into structured, project-sorted documents — automatically. You speak throughout your day. By evening, your work is 80% done.

Join the waitlist

Shipping Q4 2026 · Hardware + software

02 / 06

The Gap

Your brain runs 3 projects. Your attention only reaches 1.

Every professional carries unfinished work — pitch decks forming on the commute, client strategies crystallizing between site visits, product specs assembling across meetings. The thinking happens everywhere. But without a channel, the value leaks before a single deliverable lands.

Lost throughput

of thinking for the projects you can't attend to. The output is already happening — in cabs, walks, between meetings.

2–3

/ hrs/day

Friction tax

to stop what you're doing and start recording on your phone. 20% of recordings run under 60 seconds. The phone demands you stop. You won't.

14

/ seconds

The missing piece

A channel that doesn’t demand you stop. That’s what’s missing.

03 / 06

How It Works

Tap the ring.The project moves forward.

The Sol ring resting on dark velvet, stainless steel with Italian leather inlay

01 · Offload

Sol captures.

Tap. Speak. 10 seconds. Back to what you were doing. Tasks, fragments, instructions — everything enters via the same channel.

Built for where thinking happens — on the hand, silent, always worn.

02 · Sort

Tessera routes.

A task lands on your action list. A thinking fragment compounds into the right Folio. You don't classify. You don't tag. The system knows which project this belongs to.

iPhone showing a Folio page populated with structured sections

03 · Compound

Folios grow.

When you finally sit down, the cold start vanishes. The thinking you did across the week already lives here — grown into a structured deliverable. Review it. Edit it. Ship it.

04 / 06
The Sol ring resting in a velvet-lined jewelry box — stainless steel with Italian leather inlay

Sol

The capture surface you never take off.

Sol is a ring — stainless steel and Italian leather, designed to disappear on your hand and reappear when a thought needs a home. Tap to speak. The rest is automatic.

316L stainless steel
Brushed finish, Italian leather inlay.
5-day battery
45-minute wireless charge.
Dual beamformed mics
Tap for 60 sec, double-tap for continuous.
AES-256 encryption
At the chip, Tessera-account locked.

10 ATM water resistant · 4.6g (size 9) · BLE Audio · Sizes US 6–13

05 / 06

Team

We shipped Plaud’s AI core.We’re shipping the layer above it.

Shipped atPlaudMcKinseyByteDanceTencentTsinghuaUC BerkeleyStanford
Bruce Li, CEO of Tessera

Bruce Li · CEO

First AI PM at Plaud · ex-McKinsey · UC Berkeley CS + NYU / Stanford

Owns Summary — Plaud's largest AI feature — and 2 of 3 major App 3.0 features. At McKinsey, consumer sector generalist across supply chain, M&A, and business transformation. Serial builder. Years into this problem.

Yunxiao Li, CTO of Tessera

Yunxiao Li · CTO

Plaud AI Tech Lead + Head of Next-gen HW R&D · ex-Tencent / ByteDance · Tsinghua CS

Architects the App 4.0 agentic runtime. Owns the algorithm roadmap and next-gen hardware R&D. Co-founded yunic.ai — 0 to ¥2M ARR, ¥20M raised. WeChat algorithm lead, ByteDance AI Lab. Knows the LLM stack, knows the silicon, knows where they meet.

The thesis

We saw the next layer at Plaud. We left to build it.