audio-technica ATH-CKS30TW+/BK (Matte Black) Bluetooth Truly Wireless Earphones SOLID BASS ● Experience music that moves your heart and body with overwhelming low-frequency expression. Featuring a uniquely designed Φ9mm driver, an acoustic space, and ducts that control airflow, these earphones deliver both overwhelming deep bass and well-balanced mid-high frequencies, allowing you to enjoy music and videos with a sense of presence as if you were at a live performance. ● When you want to immerse yourself in powerful deep bass, simply turn ON the CKS30TW+ exclusive preset equalizer "Bass Boost -Deep". You can expand the "ultra-low frequencies" range, which is lower than the normal equalizer adjustment range. You can dive into a world of deep bass that you wouldn't imagine from such small earphones. ● Waterproof and dustproof performance that can be washed with water, so you can listen to deep bass anywhere. JIS protection grade: IP55 equivalent (earphones only). These earphones feature high waterproof performance for use in various everyday situations and dustproof performance for use in environments with sand and dust. You can use them even if they get wet from rain while exercising or if sweat gets on the earphones. You can wash them with water after use. ● Hear-through function allows you to listen to music in the background while naturally taking in ambient sounds. Convenient when you want to listen while walking, exercising, doing housework, or teleworking, or when commuting on trains or buses while being aware of the surrounding sounds. ● Anti-loss alert to prevent losing your earphones. Turning ON the "Anti-loss alert" that notifies you when the Bluetooth connection signal is weak allows you to notice that you are away from the earphones before the connection is lost. ● "Find Product" function displays the location of your earphones on a map. The last location information where the earphones were connected via Bluetooth is displayed on the map in the dedicated "Connect" app. You can search for places where you might have lost your earphones. ● Low-latency mode to reduce the delay between sound and video / Soundscape function to support concentration and rest / Low-latency mode to reduce the delay between sound and video. Communication method: Bluetooth standard Ver. 5.1 compliant Supported codecs: AAC, SBC Type: Dynamic Output sound pressure level: 110dB/mW For those who want the box, it will be delivered with the recipient paying the shipping fee!