Meisei Bluetooth Wireless Bluetooth Earphones for Business and Single Ambidextrous Waterproof and Clear Compatible with iPhone Android 5.3 Headset,

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【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. ------------------------------------------------------------------------------------------------------------------

[Bluetooth 5.3] Powerful Bluetooth V5.3 technology provides a 10m range, powerful audio, and fast, stable signal transmission. It also displays the remaining battery life of iOS systems. Its powerful compatibility allows for simultaneous connection of two devices for added convenience. It's compatible with most Bluetooth-enabled devices, including iPhones, Android Galaxy devices, and Huawei devices. [Push-Button Operation & Mute Function] Simply press the MFB button on the earpiece to perform all operations, including skipping/previous tracks, playing/pausing music, answering/ending/rejecting calls, rejecting/switching to third-party calls, and SIRI. The built-in mute function prevents the other party from hearing your voice during a chat call by holding the "+" button for 2 seconds. Holding the volume "-" button for 2 seconds during a chat call turns on the microphone. The physical buttons ensure smooth operation with fewer false triggers. [Large Capacity] Built-in high-performance lithium battery with a capacity of 120mAh, a single full charge provides approximately 13-15 hours of music playback, approximately 13-15 hours of talk time, and 400 hours of standby time, making exercise, driving, commuting, and school more enjoyable. [Waterproof and splash-proof design, perfect for sports] The waterproof design means you can run without worrying about rain! The waterproof design prevents water from getting inside the device, making it safe to use outdoors or in bad weather. *Although the watch is water-resistant, we do not recommend submerging it in water. [Package contents] Bluetooth headset, USB Type-C charging cable, Japanese instruction manual. Meisei Bluetooth 5.3 Headset, Wireless Bluetooth Earphones for Business and Sports, Multi-functional Ear-Hook Type, Single Ear, 180° Rotation, Ambidextrous Use, Waterproof and Water-Resistant, Lightweight, Built-in Microphone, Clear Calls, Mute/SIRI Function, Compatible with iPhone & Android (Black)