Thank you for viewing! ❤️ Only one available! ❤️ First come, first served! ❤️ Free shipping! ❤️ Immediate purchase OK! Follow-up discount available. Please see my profile before purchasing (*'ω'*) I have many other items for sale (^o^)/ #various★shop ★【Brand new, unused】 so please rest assured ♡ 【Industry-leading Bluetooth 5.4】 These earphones have 4 times the data transmission speed and 10 times the data transfer capacity, minimizing signal loss, sound skipping, sound distortion, and delay compared to conventional Bluetooth earphones, and increasing penetration. Excellent compatibility with iOS, Android, Windows smartphones, tablets, etc. 【HiFi High-Quality Sound】 These wireless earphones are equipped with high-quality sound technology that upscales compressed sound sources such as CD sources and MP3s, as well as music and video distribution services, to high-resolution sound quality equivalent to Hi-Res. They support high-quality music formats such as AAC and SBC, have high sound insulation, and are compatible with an equalizer that optimizes according to the volume, allowing you to enjoy high-quality sound at any volume. Microphones are attached to both the left and right earphones, and they are also equipped with a call noise cancellation (CVC8.0) function, making them ideal for online classes, meetings, and conversations! 【Long Playback Time: 50 Hours of Music & LED Display】 The playback time for the earphones alone is up to 8 hours when fully charged, and up to 50 hours when used with the charging case equipped with an LED display. In addition, the LED remaining battery display makes the status of the Bluetooth earphones clear at a glance. The numbers on the display can be clearly displayed from 0 to 100%. 【Automatic Pairing & Easy Operation】 After pairing these Bluetooth earphones with your smartphone for the first time, when you use them again, they will automatically pair with your smartphone just by taking them out of the charging box. Equipped with a highly sensitive touch sensor, basic operations such as "answer/reject, play/pause, call Siri, previous/next song, volume up/down" can be achieved with just a light touch on the headset. Operation is simpler and more comfortable than conventional mechanical buttons. If you have any questions, please feel free to comment ( ^ω^ )