Bluetooth Wireless Earphones - Black Thank you very much for viewing our products! All items handled in our store are new, unused, and come with free shipping! Please rest assured. ※ No need to check stock before purchase. ※ ※※ Since all operations are performed by one person, please purchase without comments except for multiple purchases!! ※※ To ensure a smooth transaction for both parties, ※※ please be sure to read the profile description! ※※ ※※ Please make sure to check your address before purchasing! ※※ ○ Product Contents ○ ・Bluetooth Earphone (for one ear) ・USB charging cable (This product is for music listening only. It does not support calls!) □ Color: Black (USB cord may be white or black) □ Weight: 7 grams □ Size: Length 5cm, Width 1.5cm, Thickness 2cm Charging time: Approximately 90 minutes Continuous use time: Approximately 120 minutes Standby time: Up to approximately 100 hours ○ Product Description ○ These are wireless Bluetooth earphones, so no cords are needed. No tangling or hassle! Can be used for listening to music. Useful in a wide range of situations, from commuting to jogging and business. A 3D fit structure ear hook is also included, providing a stable and comfortable fit despite not feeling like you're wearing anything. 《How to Use》 1. Turn on the Bluetooth function of your smartphone. (Preparation 1) 2. Long press the button in the center of the earphone to turn on the power. (Preparation 2) 3. The Bluetooth earphone will blink red and blue, indicating that it is searching for a connection. 4. From your smartphone's settings → Device connection → Open the Bluetooth section, and you should find a new connection (Bluetooth music). Connect to it to use. 【In case of initial defects, etc.】 ※※※ Please contact us "before" you rate the product! ※※※ We will respond promptly! Please be sure to contact us before rating the product. We will not be able to contact you after the rating. ※ We cannot respond to anything other than initial defects (shipping company errors, loss, etc.). Please understand!