

Ugreen
UGREEN HiTune S3 Open-Ear Air Conduction Earbuds
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Experience Sound, Reimagined.
Introducing the UGREEN HiTune S3, the wireless earclip earbuds designed for those who want to stay connected to their world without sacrificing audio quality. Featuring an innovative open-ear design, the HiTune S3 rests securely on the edge of your ear, delivering rich, directional audio without blocking your ear canal. This allows you to enjoy your music and calls with crystal clarity while maintaining full situational awareness—perfect for outdoor activities, commuting, or working in a busy environment.
All-Day Comfort & Unwavering Stability
Crafted from skin-friendly flexible silicone and weighing a mere 5.3g each, the HiTune S3 earbuds provide a 'zero gravity' feel for comfortable, all-day wear. The ergonomic C-shape earclip design ensures a secure and stable fit, adjusting to your ear shape to stay in place during your most active moments, from a morning run to a rigorous gym session.
Superior Audio & Crystal-Clear Calls
Don't let the open-ear design fool you. The HiTune S3 is equipped with large 12mm bio-diaphragm dynamic drivers that produce deep, powerful bass and crisp, clear highs for an immersive listening experience. Directional audio technology minimizes sound leakage, focusing the music on you. For calls, dual microphones with AI-powered Environmental Noise Cancellation (ENC) filter out background noise, ensuring your voice is heard with exceptional clarity, making conversations feel like they're happening face-to-face.
Power Through Your Day
With the latest energy-efficient Bluetooth 5.4 technology, the HiTune S3 offers a fast, stable connection and extended playtime. Enjoy up to 7.5 hours of continuous music on a single charge, with the compact charging case providing a total of 30 hours of listening time. When you're in a hurry, a quick 15-minute charge delivers up to 2 hours of playback.
Built for Your Active Lifestyle
An IPX5 waterproof rating protects the earbuds from sweat and light rain, making them the perfect companion for any workout or outdoor adventure. Intuitive smart touch controls allow you to effortlessly manage music playback, adjust volume, answer calls, and activate your voice assistant without reaching for your device.
| Technical Specifications | |
|---|---|
| Model | HiTune S3 (WS209) |
| SKU | 45785 |
| Bluetooth Version | Bluetooth 5.4 |
| Bluetooth Profiles | HFP, A2DP, AVRCP |
| Bluetooth Range | Up to 10m / 33ft |
| Audio Codecs | AAC, SBC |
| Driver Size | 12mm Bio-diaphragm Dynamic Driver |
| Frequency Response | 20Hz - 20kHz |
| Microphone | Dual AI Microphones with ENC |
| Latency | Low-latency mode (approx. 80ms) |
| Playtime (Earbuds) | Up to 7.5 hours on a single charge |
| Total Playtime (with Case) | Up to 30 hours |
| Battery Capacity (Earbuds) | 50mAh |
| Battery Capacity (Case) | 500mAh |
| Charging Port | USB-C |
| Charging Time (Earbuds) | Approx. 1.5 hours |
| Charging Time (Case) | Approx. 2 hours |
| Fast Charging | 15 minutes for approx. 2 hours of playback |
| Water Resistance | IPX5 (Sweat and light rain resistant) |
| Weight (per earbud) | Approx. 5.3g |
| Features | Open-Ear Design, Directional Audio, Smart Touch Controls, Multipoint Connectivity |
Manufacturer Technical Data
| Product Spec Sheet | Not available for this product |
|---|
Shipping & Returns
- R120 Delivery Fee
- 30 Day Returns
- 24 Hour Live Chat Support

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Answers to frequently asked questions
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