Pro4 Bluetooth Headset with JL6936D 5.0 Technology, High-Definition Binaural Calls, 10-20 Metre Transmission Distance, and 30-Day Standby Time in Black or White
Pro4 Bluetooth Headset with 5.0 Technology, 30-Day Standby, and Binaural Call Clarity

The Pro4 Bluetooth headset is designed for wireless audio and communication, utilising JL6936D 5.0 technology for a stable connection. It features high-definition binaural call support, making it suitable for hands-free conversations. With a specified transmission distance of 10 to 20 metres, it allows for movement within a room or office while staying connected to your device. The earbuds provide 3 to 4 hours of working time on a single charge, supported by a charging case that extends the total standby time to 30 days. Available in Black or White, the set is supplied with a charging cable and documentation.
Features and Construction

The headset’s core features centre on its audio components and battery system. Its construction is detailed through the provided specifications for its electronics and packaging.
Material and Build
The audio driver is a high-quality composite membrane copper ring speaker, paired with a true stereo chip to process sound. The power system uses pure cobalt batteries; each earbud contains a 30 mA battery, and the charging case houses a larger 260 mA pure cobalt battery with an integrated IC protection board to manage charging and safety.
Size and Practical Fit
The primary measurement provided is for the packaging, which is 12 cm by 10 cm by 3.5 cm. This compact size indicates the product is designed for retail and storage. The earbuds themselves are a standard wireless in-ear design, supplied in a pair with a charging case.
Uses and Placement

This headset is intended for personal audio and communication. Its binaural call feature positions it for clear two-way conversations, while the wireless design suits mobile use.
Event or Professional Use
The 10 to 20 metre wireless range and hands-free calling capability make the Pro4 suitable for use in environments where mobility is needed, such as during presentations, in workshops, or for remote work calls where moving away from a desk is necessary.
Everyday Home Use
For daily activities, the headset can be used for listening to music, podcasts, or making calls while performing tasks around the home. The 3 to 4 hour battery life per charge covers typical shorter listening sessions, with the case available for recharging.
Benefits and Buying Value

The value of the Pro4 headset lies in its combination of wireless convenience, call clarity, and extended standby time, as supported by its stated specifications.
Reuse and Low Maintenance
The product is designed for repeated use via its rechargeable battery system. The inclusion of a charging case with a 30-day standby time reduces the frequency of needing to find a power source for the case itself, supporting a low-maintenance routine for the user.
Why Choose This Product
This headset offers a specific set of features: Bluetooth 5.0 connectivity for a stable link, binaural call support for clear conversations, and a long standby period facilitated by its pure cobalt batteries. It provides a practical wireless audio solution based on these technical details.
