This item is generally in beautiful condition. There may be some overlooked scratches or stains. Only the items shown in the photos are included. I don't know the extent of the battery's degradation. It doesn't seem to run out of charge quickly. The battery is not guaranteed. The new Presence Grey series is the successor to the Bluetooth headset Presence series. With the same high-quality speakers and best-in-class noise-canceling microphone performance, the color has been renewed, making it a more portable and comfortable accessory. This premium Bluetooth headset is designed for a variety of mobile professional workers seeking a variety of communication experiences in the office, in the car, and in the field. Sennheiser's acoustic technology delivers best-in-class clear and natural sound. SpeakFocus technology enhances the clarity of the speaker's voice and carries the sound. It clearly conveys the speaker's voice. ❃WindSafe technology significantly reduces wind noise. Own-Voice detection technology detects the caller's voice and reduces background noise, providing stable voice quality in any environment. ❃ Supports multi-pairing. (1) The included ear hook accessory uses cushioning material on the part that touches the ear, so your ears won't hurt even after wearing it for a long time. ActiveGard technology protects hearing from sudden excessive audio input. 1. Continuous talk time: up to 10 hours, charging time: 1 hour 20 minutes. Immediate purchase is OK. I try to respond as quickly as possible after purchase. Please note that the items are used or stored items, so please be careful if you are sensitive. Please refer to the photos for the condition, dimensions, and specifications. Thank you.