Dudao U4A OWS Bluetooth 5.3 Business Headset, Black
| Products ID: | 139047 |
|---|---|
| Availablity: | Ready to Order |
| Delivery Time | 5-12 business days |
| EAN: | 6976625335428 |
The Dudao U4A business headset is designed for comfortable and long-lasting everyday use. Thanks to OWS (Open Wearable Stereo) technology, the earphone does not enter the ear canal, ensuring maximum comfort even after hours of wear.
Stable Connection and Easy Use
Bluetooth 5.3 provides a fast and stable connection without interference. The headset is compatible with both iOS and Android devices, making it a versatile solution for work and daily life.
Key Benefits
- Open-ear design: OWS technology eliminates the discomfort associated with traditional in-ear headphones.
- Stable connection: Bluetooth 5.3 ensures reliable wireless communication up to 10 meters.
- Long battery life: Up to 8 hours of talk time and 300 hours of standby time.
- Water resistance: IPX5 certification protects against sweat and rain.
- Wide compatibility: Works with iOS and Android smartphones.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Dudao |
| Model | U4A |
| Bluetooth version | 5.3 |
| Operating range | Up to 10 m |
| Talk time | 6 - 8 hours |
| Standby time | 300 hours |
| Charging time | 2 hours |
| Battery capacity | 50 mAh |
| Protection class | IPX5 |
| Color | Black |
Is this headset suitable for sports?
Yes, thanks to IPX5 water resistance and a comfortable open-ear design, it is suitable for use during active recreation.
How long does it take to charge the headset?
A full charge takes approximately 2 hours.
Will the headset work with my phone?
Yes, it is compatible with all devices that support Bluetooth connectivity, including iOS and Android smartphones.
SMS & email notification
SMS notification before arrival
We want you to be happy with your purchase. If something isn't right, here's how returns work.
Return window
Most unused items can be returned within 30 days of delivery for a full refund or exchange. Items must be in original condition with original packaging.
Refund timeline
Once we receive and inspect your return, a refund is issued within 7–10 business days to the original payment method.
Conditions
- Item must be unused and in original condition
- Include your receipt or proof of purchase
- Perishable or custom-made items are non-returnable
- Return shipping is covered only for faulty or incorrect items
Ready to return?
Contact us and we'll guide you through the process.

















