Earaku Bluetooth Open Ear Headphones [Ultimate Sound Experience & Industry-First Multifunction Touch Screen] Wireless Earphones Bluetooth 5.4 Automatic Pairing Microphone ENC Call HiFi Canal Type LED Display Type-C Charging Small Lightweight Single/Dual Ear Convenient AirCuffF301 [Earaku's Unique Incus Algorithm Technology & Amazing Audio Experience] The Incus algorithm technology adopted by the "Aircuff" OWS earphones automatically adjusts the output levels of high, mid, and low frequencies according to the actual sound source and output sound pressure, optimizing the balance of the three frequency bands. This always provides a comfortable and immersive listening experience. [DSP Amplifier Function & Sound 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 the music and the tones of the instruments are conveyed more clearly, providing an immersive music experience. The adjustment of air pressure and sound cavity by the speaker effectively suppresses sound leakage. While being open-ear, it protects the user's privacy, creates a personal space, and allows you to enjoy immersive Hi-Fi sound as it is. [Multifunction Touch Display & 10 Music Functions] Innovative and original design for earphones in 2025! The charging case equipped with a touch display even reduces the frequency of taking out your mobile phone. It is more compact than a mobile phone and more specialized in music functions, while reducing the problem of power consumption caused by mobile phone operations. Music player, equalizer switching, all reflect Earaku wireless earphones' pursuit of sound quality and acoustic effects. The earphone search function, timer function, camera controller, and other functions give the charging case a new role. Pursuing new functions and innovative designs, this is the unique experience we want to deliver to everyone!