Retail price: ¥25,000 Used only indoors. Purchased about 2 years ago and used for approximately 50 hours. I bought these because of their good sound quality, and I personally think the sound is very good. I am selling them because I have acquired more equipment and no longer use them. All accessories are included, and the ear tips have only been tried on. FiiO FW5 wireless earphones with Snapdragon Sound, including a charging case and multiple sizes of ear tips. - Model name: FiiO FW5 - Bluetooth version: Snapdragon Sound - Accessories: Charging case, ear tips (multiple sizes) Thank you for looking.