New, Unused, Free Shipping (Simple Packaging, Mail Delivery) Price Not Negotiable Color: Black Wireless Earphones Bluetooth 5.3 Ambient Sound Awareness Hands-free Calling Business Noise Canceling Single-Ear Type 【Bluetooth 5.3】 Adopting the latest Bluetooth version 5.3, not only can faster and more stable communication be achieved, but also a wider communication range and longer battery life are realized. "Sound skipping" and "sound interruption" can be significantly improved, allowing you to comfortably enjoy not only music but also games and videos. Stable communication is possible even in crowded trains and other places where radio waves are prevalent. 【Single-Ear/Compatible with Both Ears】 Single-ear earphones do not completely block the ear, so you won't miss surrounding sounds, allowing for safe use. The included ear tips can rotate 360°, allowing adjustment to fit either ear. Also, they are made of soft silicone, making them comfortable to wear for long periods. 【Other Features】 1. Can connect to two devices simultaneously. 2. Simple button design, easy operation. 3. Equipped with a 220mAh large-capacity battery, supporting long-lasting operation. 4. Suppresses noise and surrounding sounds during calls, delivering clear audio to the other party. 5. Comprehensive compatibility, fully compatible with devices with Bluetooth functionality. 【Set Contents】 Earphone body, ear tips, Type-C charging cable, Japanese instruction manual.