S2 Lite
Record the Lecture. Skip the Note-Taking.
Made for Students. Built for Learning.
From $79
S2 Lite.
Made for Students. Built for Learning.
Smart Learning · The Most Useful Recorder in Any Classroom · From ¥239
DESIGNED FOR
From lecture to review — fully covered by AI
Lectures / Academic seminars / Multi-language learning — spend your time understanding, not transcribing.
01
Lecture Recording
Every lecture becomes a study asset.
AI auto-generates course summaries. Review 10x faster. Say goodbye to frantic note-taking.
02
Multi-Language Learning
112-language recognition + multi-language translation.
Learn across languages without friction.
Research papers and literature, finally manageable.
03
Lesson Planning & Review
Review class content anytime.
AI helps organize lesson plans and key points. Slim and portable — place it on the desk, done.
C L A S S R O O M A U D I O
Back row Front row
Every word crystal clear
Dual-mic · Near-360° · 30m² classroom coverage · AI noise reduction
MEMS dual-microphone structure with near-360° omnidirectional pickup and 30m² effective coverage. No matter where you sit in the lecture hall, every word the professor says is captured clearly.
Powered by: LLM large language model · 99.2% summary accuracy · Offline local transcription · 5mm ultra-thin, invisible on the desk
- MEMS dual-mic, near-360° pickup
- 30m² full classroom coverage
- AI intelligent noise reduction
- Multi-speaker voice separation
C L A S S R O O M A I
Class ends Study outline Already on your phone
LLM-powered. 99.2% summary accuracy. Works offline too.
One tap to record the full lecture. AI auto-transcribes and generates a study summary. Review efficiency up 10x. LLM-powered at 99.2% accuracy — works even without Wi-Fi in the classroom.
Powered by: LLM large language model · 99.2% summary accuracy · Offline local transcription · 5mm ultra-thin, invisible on the desk
- 5mm thin — invisible on your desk
- AI auto-generates study summaries
- LLM summary accuracy: 99.2%
L A N G U A G E L E A R N I N G
112 languages
Study without borders
Foreign language classes, overseas study prep, bilingual courses — all handled.
Recognizes 112 global languages with Chinese accuracy ≥ 99% and supports multi-language translation. Whether studying abroad, learning a foreign language, or attending bilingual classes, S2 Lite is your smartest study companion.
Powered by: 112-language recognition · Chinese accuracy ≥ 99% · Multi-language translation · Real-time transcription
- 112-language recognition
- Chinese accuracy ≥ 99%
- Multi-language translation
D E S I G N & B A T T E R Y
5mm thin 60 days
Never think about it
5mm ultra-thin · 60-day standby · ¥239 budget-friendly price
5mm ultra-thin — slides into your bag next to your textbooks without adding weight. LED indicator is clean and intuitive. 60-day standby means you basically never need to charge it all semester.
Powered by: 5mm ultra-thin body · Approx. 30g · LED status indicator · 60-day standby · Type-C charging · 32GB local storage
- 5mm thin — backpack essential
- LED status indicator
- 60-day standby
- Type-C charging, charge anywhere
Trusted By & Works With
Works with Tuya · Microsoft Teams · Slack · Notion · Google Play · App Store
REAL USER REVIEWS
★★★★★“The AI summary is frighteningly accurate — I send it straight to my manager, word for word.”
— Michael L., Senior Project Manager · Shenzhen
★★★★★“I stopped taking notes in class entirely. The AI does it better than I ever did.”
— Alex W., Graduate Student · Peking University
★★★★★“So small I forget it's there — but it remembers everything that matters.”
— Christine C., Corporate Legal Counsel · Shanghai
S P E C I F I C A T I O N S