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. ♪ [Stable and high-speed communication] If you want to enjoy music comfortably and make smooth calls, we recommend this product, which has a stable connection and low audio delay. This product uses version 5.4 of the cutting-edge Bluetooth standard, which provides high connection stability, reduces skipping and interruptions, and effectively suppresses audio delays. Equipped with independent communication chips on both the left and right sides, it can be used on one side or both sides at the same time, making it easy to use. ♪ [2 pairs included, left and right separated type] We recommend an earphone set that combines ear clip type and inner ear type. If you are using it alone, you can choose from two types depending on the scene. Also suitable for two people. ♪ [Other features] If the initial pairing has been set, it will automatically reconnect from the next time. Equipped with a high-sensitivity sensor, all functions can be controlled by touch. Intelligent noise cancellation supports clear calls. ♪ [Other features] Compatible with voice AI such as Siri. Waterproof and drip-proof, suitable for sweaty sports scenes. Equipped with a large capacity battery, you can play music for up to 7 hours on a single full charge. ♪ [Specifications] ◆ Maximum communication distance: Approx. 10m ◆ Driver diameter: 13mm ◆ Noise cancellation: ENC ◆ Maximum playback time: Approx. 7 hours ◆ Maximum standby time: Approx. 120 hours ◆ Charging terminal: Type-C ◆ Overall mass: 80g (2 pair earphones + charging case) Bluetooth 5.4 Wireless Earphones, Air Conduction Earphones, Set of 2 Types, Ear Clip Type, In-Ear Type, 2 Pairs of Earphones, Can be Used by 2 People at the Same Time, ENC Noise Cancellation, Left and Right Separated Type, Compatible with iPhone/iPad/Android (Black)