- Model Name: WF-1000XM4 - Series: 1000X Series - Color: Platinum Silver - Accessories: Instruction manual, warranty, ear tips - Case Condition: Good ※ Charging cord not included. Wireless earphones with high sound quality and noise-canceling features. ● Operation confirmed ● Bluetooth connection: No problem ○ Slight difference in battery life between left and right I am selling these because they are not charging properly, and I don't know how to reset them. There are no noticeable scratches or stains, but they are junk items due to the above circumstances. They may work fine if reset or repaired, but please refrain from purchasing if you are concerned.