Sony WF-1000XM3 Platinum Silver Earphone Left Side (L) Only * Operation confirmed * Pairing confirmed Please purchase with confidence as the above has been confirmed. You can also purchase immediately without comments. If you have lost one earbud or want to revive your earphones, please consider this. Battery operation has been confirmed for over 1 hour. Battery life duration has not been confirmed. Please note that the battery is a consumable item and is not covered by warranty. Due to being a used item, there may be small scratches or unremovable dirt. Please understand that this is a used item before considering purchasing. --Regarding Pairing Method-- WF-1000XM3 Initialization Method With the headset set in the charging case and the lid open, touch and hold both the L and R touch sensors for about 10 seconds. Release your fingers when the headset lamp (red) starts flashing. The lamp (blue) will flash 4 times, and the headset will be initialized, returning to factory settings, and all device registration (pairing) information will be deleted. After that, you can pair and use it. --Quoted from the manufacturer's website-- Features: High-performance noise canceling Achieves high-performance noise canceling with "High-Quality Noise Canceling Processor QN1e" and "Dual Noise Sensor Technology." Significantly reduces noise across a wide range of frequencies, from low frequencies like airplane engine noise to mid-high frequencies like human voices. Immerse yourself in high-resolution sound quality even with completely wireless High-quality technology DSEE HX, which upscales CD sound sources, compressed sound sources such as MP3, and streaming services such as music and videos to high-resolution sound sources, is the first to be fully wireless. Long battery life for peace of mind on long outings, up to 24 hours with noise canceling ON 6 hours with the main unit only, and a total of 24 hours of music playback with 3 charges from the included case. Furthermore, with noise canceling OFF, 8 hours with the main unit only, and a total of 32 hours of music playback with 3 charges from the included case. Also supports quick charging for peace of mind during sudden outings. Search Keywords #WH-1000XM