✅ Product Name Sony Wireless Noise Canceling Earphones WF-1000XM4 BM ✅ Condition Although in good condition, the battery has deteriorated over time, allowing for approximately 1-2 hours of use when using noise canceling. Operation has been confirmed. ✅ Accessories Charging case (as shown in the photo) ✅ Details ・IPX4 water resistance. Enjoy music without worrying about rain or sweat. Feel free to leave comments. Thank you. Please note that the battery only lasts for 1-2 hours. Please understand that this is a junk item. Also, the charging case light does not turn on, so please purchase only if you understand this.