Headband Headphones for Bluetooth Wireless Earbuds for HiFi Soundproof Compatible with iPhone Certified Technical Sleep Suitable for and Black

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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. ------------------------------------------------------------------------------------------------------------------

✨【Multifunctional Headphones】These headphones feature a 3-in-1 design: Bluetooth headphones, a sports headband, and sleep earphones, meeting your multifaceted needs. They're ideal for those who want to block out noise and fall asleep to music without disturbing their partner or roommate. The thin, flat speakers provide a comfortable fit without straining your ears, even when sleeping on your side. 🎧【Immersive Listening Experience】These sleeping headphones feature a high-compliance diaphragm, delivering clear highs, low latency, and high-fidelity stereo sound, perfect for music, audiobooks, meditation, and ASMR, providing an unparalleled listening experience. The sleep mask's built-in microphone uses beamforming technology to accurately capture your voice with clarity, ensuring smooth conversations. You can make hands-free calls without removing the headset. 🔋【Bluetooth 5.2 Headphones】These sleep headphones are upgraded to the latest 2025 pure cobalt alloy, providing up to 14 hours of playtime with a 2-hour charge. Bluetooth 5.4 technology provides a more stable connection with mobile phones, tablets, laptops, and PCs, and with a wireless range of up to 15 meters, they are perfect for yoga, fitness, jogging, and sleep. 💤【All-Day Comfort】This sports headband is made with durable knitted yarn and highly stretchable fabric, and features a breathable mesh lining to keep you cool all day long. Its sweat-wicking, quick-drying design absorbs and evaporates sweat faster than other Bluetooth headbands, protecting you from messy hair and sweat. The speaker on this Bluetooth headset is removable and washable; simply remove the speaker and wash the entire headband. 💖【Best Gift Choice and Service Guarantee】This stylish sports headband is the perfect gift for travelers, insomniacs, meditators, and office workers. It's also suitable for everyday wear, face washing, and makeup application. The adjustable ear strap design allows you to adjust it to fit your head size (suitable for head circumferences between 50-70cm). Recommended for women, men, girls, and boys! If you have any questions or issues, please feel free to contact us via the "Ask a Question" section on our Amazon page. We'll provide a free replacement or a full refund. This product has also received a Certificate of Completion of Technical Conformity, making it legal for purchase and use in Japan. Features: High-Quality Material: The sports headband is made of durable knitted yarn and stretch material and lined with breathable mesh. Hi-Fi Sound Quality: The Bluetooth headphones' Hi-Fi stereo sound delivers an unparalleled listening experience. The sleep eye mask features a built-in microphone for clear sound and smooth calls. 5.2 Bluetooth Technology: Advanced Bluetooth 5.2 technology ensures a stable connection with mobile phones, tablets, laptops, and PCs, with a wireless range of up to 33 feet. High Capacity: The Sleep Headphones have been upgraded to the latest 2023 Pure Cobalt finish, providing up to 14 hours of playback with a 2-hour charge. Suitable Occasions: This stylish sports headband is suitable for yoga, jogging, fitness, meditation, commuting, sleep, and more. Package Contents: Bluetooth headband, USB charging cable, instruction manual. Note: Sweatproof. Store the headband in a dry environment away from moisture.