Brand new, unused! Instant purchase welcome! 【DSP Amplifier Function & Leakage Prevention Design】The DSP amplifier optimizes the sound balance, improving the balance of low, mid, and high frequencies in the earphone output, and removes noise from the earphones through digital signal processing. The subtle nuances of music and the tones of instruments are conveyed more clearly, providing an immersive music experience. 【Well-Balanced Sound Quality & 12mm Flexible Diaphragm】The ear cuff type earphones are equipped with a 12mm large driver, expressing rich sound across the entire frequency range, from clear highs to deep lows. You can experience immersive sound as if you were in a live venue. The flexible diaphragm is adopted, and sound distortion does not occur even after long hours of use. 【Type-C Charging, Visible Remaining Battery, Long-Lasting Battery】The earphones themselves last for about 10 hours, meeting the needs of a day's use. The charging case can fully charge both earphones 3 times. It will last a week for your commute! When fast charging with a Type-C cable, you can see the charging status and the specific remaining battery of the earphones in the charging case. 【Touch Control & Can Be Used with One Ear】With the sophisticated touch control function, basic operations such as music playback/pause, track forward/backward, answering and rejecting calls can be performed intuitively with just a slight movement of your fingertips. It achieves comfortable and smooth operability without touching the device. Supports single-ear and dual-ear use. 【Bluetooth 5.4, Automatic Pairing When Opened, HD Calls That Last】Adopts Bluetooth 5.4 technology. After a year of market testing, we have completed debugging for more stable, smoother, and more anti-interference wireless connections. It achieves automatic connection when opened and connections up to 10M long distance. (Initial setup required) The canal-type earphones with a microphone have an HD call time of up to 8 hours, protecting your privacy in chats with friends and doubling your enjoyment. 【Lightweight Fit & IPX5 Waterproof Specification】The weight of the earphones alone is only 5.8g, and the total weight is only 53g, which is about the weight and size of one egg, making it very convenient to carry when going out. OWS earphones with IPX5 waterproof function are resistant to daily rain and sweat. 2980r9891