・SONY WF-1000XM4 Black Model YY2948 [Included Items] ・Charging case ・Charging cable ・Eartips ・Instruction manual, outer box Bluetooth connection is not possible. The charging case lights up when the earphones are placed inside. This is a junk item. Please purchase if you understand that this is a junk item. Please refrain from purchasing if you are sensitive to such issues. *Please note that the actual product's color and texture may appear different from the images depending on the environment and specifications of your smartphone or monitor. Junk, Free Shipping, Anonymous Delivery, Instant Purchase OK [Product Overview] High-performance noise canceling Achieves high-performance noise canceling with the "High-Quality Noise Canceling Processor QN1e" and "Dual Noise Sensor Technology." Significantly reduces noise across a wide range of frequencies, from low-frequency sounds like airplane engine noise to mid-high frequency sounds like human voices. Immerse yourself in high-resolution sound quality even with completely wireless earbuds The high-quality sound technology DSEE HX, which upscales CD sources, compressed audio like MP3s, and streaming services for music and videos to high-resolution sound, is featured for the first time in completely wireless earbuds. *Please check the official website for other detailed specifications. [Search Keywords] WF-1000XM5 Bluetooth Single ear Left Right Light Left L R wireless Earphones Management Number 2508046800