PK Wireless Earphones bluetooth wireless bass IP55 waterproof and dustproof standard compatible small and lightweight up to approximately 20 hours of

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Be slim, be colorful, and follow your heart. Live in the world you love and this deep bass sound. [Equipped with a small but deep bass and high-quality driver] Adopts a φ9mm SOLID BASS HD TWS driver exclusively for SOLID BASS. Reproduces the crisp deep bass inherited from the higher-end model ATH-CKS50TW and balanced mid-high range. Although these earphones are small, you can experience the power and heat of sounds and voices beyond your imagination. [Uses a dedicated preset equalizer whose settings can be recalled with one tap] Use the dedicated app "Connect" to explore the world of even deeper bass. The "SOLID BASS series" includes 5 preset equalizers, including 2 types of "Bass Boost". Once you have set one of your favorite equalizers, you can call it up anytime with a single tap on your earphones without having to launch the app. [Small body that allows you to comfortably enjoy heavy bass sounds] We have made the earphones as small and light as possible, making them a size that anyone can wear without difficulty. We strive to create a comfortable fit that will prevent ear fatigue even when worn for long periods of time. [Slim charging case that makes heavy bass sound easy to carry] We have made sure that not only the earphones but also the charging case fit in the palm of your hand, making it thin and lightweight. It can easily fit into the coin pocket of denim, etc., making it convenient to carry. The design also allows for smooth insertion and removal of earphones.