Thank you for viewing! ❤️ Instant purchase welcome ❤️ Brand new, unused item Product Name: Bluetooth Earphones Color: Black ⭐️ Bluetooth 5.4 Technology Simply opening the case enables automatic pairing, allowing for instant connection to smartphones, tablets, and PCs. Equipped with ENC environmental noise cancellation and DNS digital noise suppression, effectively reducing surrounding noise even in the city or on trains. The clear transmission of your voice ensures stress-free business conversations and interactions with loved ones. Enjoy comfortable communication and music. ⭐️ 13mm Large-Diameter Speaker Featuring a 13mm large-diameter speaker, it reproduces a balanced sound from powerful bass to delicate high frequencies. It covers a wide frequency range, delivering immersive sound. Furthermore, combining it with CVC8.0 noise cancellation reduces external noise. ⭐️ Up to 60 Hours of Playback & Charging Case Up to 10 hours of playback on a single charge. Up to 60 hours of use when combined with the case. The charging case is only 6.5 x 5 x 2 cm. Supports fast charging. ⭐️ Lightweight 4.1g! The ultra-lightweight design, weighing only 4.1g per ear, makes it comfortable to wear for extended periods without causing ear pain. Includes S/M/L size silicone ear tips, allowing you to choose the perfect fit for your ears. The ergonomic design ensures a secure fit even during vigorous activities like jogging or gym workouts. ⭐️ IPX7 Waterproof & Intuitive Touch Operation Adopts IPX7 waterproof specifications. Furthermore, it features intuitive smart touch controls for easy operation, including answering/rejecting calls, playing/pausing music, adjusting volume, skipping tracks, rewinding tracks, and activating Siri. Thank you for your consideration! SEI457 Other features: Noise canceling