We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. [IF DESIGN AWARD 2021 Winner & TWS Bone Conduction Earphones] This model has won the 2021 German IF DESIGN AWARD and is a hot topic in the market as a unique and extremely practical bone conduction earphone. The reason why TWS (True Wireless Stereo) bone conduction earphones have not appeared on the market until now is because the development of bone conduction technology was relatively complex and manufacturing costs were high. Kaibo Buds have overcome these problems. Bone conduction headphones that do not block your ears do not put pressure on your ears, so your ears will not get tired even if you wear them for a long time. The sound quality of advanced bone conduction headphones is clear, even down to the melody of the sound. You can hear the deep bass, well-balanced midrange, and smooth highs very comfortably. Also, unlike traditional earphones, these bone conduction earphones allow you to listen to sound without covering your ears. By using bone conduction technology, you can hear surrounding sounds clearly and can use it safely. [IP55 waterproof performance] Compatible with waterproof standards and has waterproof performance for daily life, so you can enjoy daily sports without worrying about sweat during sports such as running or working out, humidity in the bath, or sudden rain. Enjoy more fun! [Fast and stable wireless connection! ] Bluetooth 5.0 communication provides a stable Bluetooth connection that can withstand outdoor radio interference environments! The transmission range is wider, skipping is reduced, and even more stable playback is achieved. Because they are wireless earphones, you are free from the hassle of cables and can enjoy the pleasure of music as if it has become a part of you! It also has excellent noise reduction technology during hands-free calls, making it ideal for long meetings, long phone calls, remote conferences, etc. It is useful not only for sports, but also for business people who work from home and often have video conferences. After initial pairing with your smartphone using automatic pairing technology, you can connect automatically from the next time, eliminating the need for troublesome operations. [Charging case included & 3 sizes of ear hooks] When the earphones are fully charged, you can play music for up to 4 hours, and when used with the included charging case, you can play music for up to 16 hours. The...