The UGREEN HiTune S3 True Wireless Open-Ear Earbuds (WS209 / SKU: 45785) are designed for comfortable, all-day listening while keeping you aware of your surroundings. Featuring an ergonomic open-air clip-on design, advanced air transmission technology, and precision-tuned 12mm dynamic drivers, these earbuds deliver rich audio performance without sealing off the ear canal.
Technical Specifications
- Part Number: WS209-45785
- Product Type: True Wireless Open-Ear Earbuds (HiTune S3)
- Connectivity: Bluetooth 5.4
- Driver Unit: 12mm Dynamic Driver (Biocomposite Diaphragm)
- Impedance: 32 Ohms
- Battery Life: Up to 24–30 hours total with charging case
- Fast Charging: 15 minutes of charge for up to 2 hours of playback
- Water Resistance: IPX5 (Sweat and splash-resistant)
- Call Noise Reduction: AI / DNN Smart Call Noise Cancellation
- Charging Interface: USB Type-C
Key Features
- Open-Ear Comfort: Lightweight clip-on architecture distributes pressure evenly, ensuring a secure, pain-free fit ideal for workouts, commutes, and extended wear.
- Immersive Sound Quality: Equipped with large 12mm drivers and advanced air transmission to provide deep bass and clear highs while maintaining situational awareness.
- Stable Wireless Connection: Powered by Bluetooth 5.4 for a high-efficiency, low-latency, and drop-resistant pairing experience.
- Crystal-Clear Calls: Integrated AI-powered environmental noise cancellation (ENC) filters out background chatter to keep voice communication sharp and focused.
- Durable & Sweat-Proof: IPX5 certification protects internal components against active sweat and light rain, making them gym and outdoor-ready.
