Bluetooth 5.3 and One-Step Pairing: The Bluetooth earbuds utilize advanced Bluetooth 5.3 technology and support HID, HFP, A2DP and AVRCP Bluetooth protocols, allowing you to connect to multiple devices at the same time, with data transfer speeds up to 2x faster than the previous generation, dramatically reducing data latency and improving connection stability. The wireless earbuds also come with a capacitive touch interface and a full control suite that performs all functions with a single tap.

LED Power Display and 48 Hours Playtime: The wireless ear buds provide 6-8 hours of music playback or 3-4 hours of talk time on a 1.5 hour charge, and when used with the charging case, provide up to 40 hours of total playback time for a full day of work and sports. The LED power display can track the remaining power of the charging case and the charging status of the earphones in real time. The Type-C charging port ensures a faster and more convenient charging experience.

Premium Stereo Soundstage and Crystal Clear Calls: The wireless headphones are equipped with 13mm speakers that deliver powerful bass, ultra-clear vocals and stunning highs for a high-fidelity sound experience. The Bluetooth headphones have 4 built-in microphones with omni-directional sound capture and a signal-to-noise ratio of up to 57dB, which effectively reduces moderate wind noise while keeping the caller's voice clear, allowing you to enjoy high-quality calls.

Ergonomic Design and Lightweight: To ensure a secure fit and long-lasting comfort, the noise cancelling earbuds comes with three different sized earbuds that fit 99% of the contours of the ear canal. These BK07 ear buds are lightweight, with individual earbuds weighing just 0.13 ounces, so you won't even feel them when you're wearing them and enjoy freedom of movement throughout the day. With dimensions of 58.7*47.7*26.6 mm, the charging case is small enough to fit directly into your pocket.

IP7 Waterproof and Wide Compatibility: The Bluetooth earphones are equipped with nano-coating protection that not only prevents water and sweat from seeping in, but also prevents moisture in the air from damaging the components, thus extending their lifespan. The material of the case is smooth and easy to clean. In addition, the headphones can easily connect to almost any Bluetooth-enabled audio device, getting rid of the tangle of wired earbuds and enjoying unrestricted movement.