The True Wireless Open Stereo Earphones Bluetooth 5.4 Earbuds (BT039) provide a great open-ear design that allows the user to listen to high-quality stereo music and keep a watch on the surrounding environment. By employing Bluetooth 5.4, these earphones that are located outside the ear canal guarantee an uninterrupted connection and hence they are perfect for users who want to be aware of their surroundings while doing activities or wearing them for a long period of time. The BT039 earbuds are compatible with various devices such as the Samsung Galaxy XCover 4s, and with the charging case, they offer a maximum of 48 hours of playback. Besides that, the sport-friendly features, including the IPX5 sweat and water resistance, make these earphones perfect for everyday use.

Design and Build

The BT039 earbuds have an open-ear design and come with lightweight hooks that rest on the ear. They weigh around 6g per earbud. The charging case, made of food-grade plastic, has a weight of about 45g and it is charged via USB-C. With an IPX5 rating, it is both water and sweat resistant. The BT039 earphones come in different colors such as black or grey and they feature touch controls for the convenience of the operation. They also include adjustable fittings for securing the earphones during physical activity and thus, making them comfortable to wear.

Audio Performance

BT039 earbuds have 12mm drivers and they use them to deliver open stereo which is rich in bass and has clear midrange, all this is tuned specifically for outdoor listening. Bluetooth 5.4 is the technology that facilitates a connection that is 12 meters long and is also low-latency. The devices support AAC and SBC encoders for audio streaming of high quality. There are two microphones equipped with ENC technology and this allows the user to speak freely without the need to raise the voice. In other words, the ENC minimizes the background noise making the caller’s voice clear. Because they are active during running or in the subway, the BT039 is a perfect solution for dynamic environments.

Features and Compatibility

The BT039 earbuds have touch controls for music, calls, and voice assistants like Siri or Bixby. Their safety feature of the open-ear design, which is ambient sound-awareness, is perfect for outdoor activities. They are suitable for exercising or a little rain with IPX5 water resistance. They are compatible with Samsung Galaxy XCover 4s, iOS, Android, and PCs, and come with adjustable hooks for a personalized fit that guarantees comfort and stability.

• Material: Plastic, silicone
• Audio: Open stereo, 12mm drivers
• Battery: 48 hours total
• Connectivity: Bluetooth 5.4
• Protection: IPX5 splash-resistant
• Compatibility: Wide range of devices
• Features: ENC microphones, touch controls
• Weight: 6g (earbuds), 45g (case)

The True Wireless Open Stereo Earphones Bluetooth 5.4 Earbuds (BT039) provide a unique open-ear audio experience with long battery life and robust connectivity. Their IPX5 rating and comfortable design make the BT039 earbuds ideal for active users needing awareness and quality sound.