SFE ear-fit technology
Audio segmentation technology
Additional Features:
Cloud support system for enhanced comfort
Dual-core spatial sound effect
AI-level master sound quality
Directional acoustic technology to prevent sound leakage and protect privacy
Professional-grade audio lab tested over 3000 times with 66 simulation listening tests and professional standards
Endorsed by badminton champions and top global audio professionals
Global presence in over 10 countries and regions with 1000+ sales outlets and annual sales of 470 million RMB
| Width | 10.6 |
| Height | 3.7 |
| NetWeight | 0.147 |
| Brand | SANSUI |
| Product Model | W133 |
| Bluetooth Version | 6.0 |
| Design | New generation clip-on flat pressure earphones; lightweight flat design for zero-pressure, comfortable long-term wear; no sharp edges; ergonomic fluid dynamic contour with skin-like polymer coating for oil and sweat resistance; triangular stable structure with adaptive titanium wire for secure fit and reduced pressure; high-performance memory titanium wire material tested for 10,000 bends for durability and comfort. |
| Driver Unit | 12mm second-generation titanium dynamic driver with double magnetic force and dual-unit resonance for enhanced sensitivity and detailed sound reproduction; soundstage increased by 200%; panoramic sound enhancement technology with dual-core spatial audio and 360° virtual spatial sound algorithm for immersive surround sound. |
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| Sound Quality | High-fidelity open sound with directional acoustic technology; AI-grade master quality sound; focused and explosive bass; AAC and SBC audio codec support for high-definition stereo sound; sound wave focusing and double acoustic sound locking to prevent sound leakage. |
| Microphone & Call Features | ENC ultra-clear call with AI multi-mic noise reduction algorithm and wind noise suppression for clear and pure calls. |
| Battery & Charging | Up to 7 hours single charge playback; combined with charging case for up to 50 hours total playback; Type-C charging interface; fast and stable Bluetooth 6.0 connection with low latency and quick pairing. |
| Water Resistance | Sports-grade nano coating for sweat and rain resistance suitable for daily use. |
| App & Customization | SANSUI proprietary app for EQ tuning (bass, mid, treble adjustments), game mode, intelligent touch control customization, battery level display; supports custom gesture controls including double tap, triple tap, long press for call/music control and voice assistant activation. |
| Compatibility | Compatible with Android, iOS, and Windows devices supporting AAC and SBC codecs. |
| Color Options | Stealth Black, Snow Mountain White, Ivory White |
| Wearing Experience | Clip-on style with no ear abrasion; ergonomic fit with 98% safety and 120% stability improvement over traditional spherical ear clips; adaptive titanium wire and triangular structure reduce pressure by half compared to conventional designs. |