Earphones Bluetooth Wireless Earphones Small/Lightweight Bluetooth 5.4 Instant Connection Hi-Fi Bluetooth Earphones Noise Canceling ANC Equipped White [Bluetooth 5.4 Wireless Earphones & Wide Compatibility] Bluetooth 5.4 technology Significantly improves power saving and data transfer speed compared to the conventional 5.3 chip, achieving stable signal transmission and high communication efficiency even in complex radio wave environments. Provides a comfortable user experience with low latency and fewer sound interruptions even in crowded environments such as stations and subways. Seamless connection with all devices such as iOS/Android/PC/tablets is possible. Ideal for web conferences and telework in business situations. [Equipped with a Smart Touch Display] The full-color touch screen equipped on the charging case allows you to check the charging status of the earphones and the case at a glance. You can perform various settings with just a tap, without having to take out your mobile phone. In addition, it also has a photo shooting function that allows you to remotely operate the camera of a smartphone connected via Bluetooth. [Long-lasting Playback & Type-C Charging Supported] Equipped with a large-capacity battery Allows for long hours of continuous use Extends usage time up to 48 hours when used with the charging case Features a rapid charging function using a Type-C port, allowing for long hours of use even with short charging times. [HI-FI Sound Quality & 6 Sound Modes] Enjoy a vast sound stage and immersive music experience brought by next-generation Bluetooth technology without being bothered by annoying cords. The in-ear design reduces external noise while reproducing rich bass and clear treble. You can select from 6 EQ modes: Jazz, Vocal, Bass, Club, Studio, and Custom, and enjoy the sound that is most suitable for your favorite music genre. The fit is also suitable for use during exercise, so you don't have to worry about them falling off during jogging or gym training. [Waterproof Design for Daily Life] Equipped with waterproof performance, it can withstand sudden rain and sweat during exercise. Ideal for outdoor use, such as jogging and cycling. Made of materials resistant to abrasion and corrosion. *This is an item for sale because it is no longer needed, and it is new and unused, so I have not checked the operation. I will respond to initial defects, but please contact the manufacturer directly for any subsequent problems.