I only tried these on once and they didn't fit my ears, so I'm putting them up for sale. There are no noticeable stains or damage, but please refrain from purchasing if you are sensitive to such things, as they are not brand new. I appreciate your understanding. Please note that returns are not accepted to prevent swapping, so please check the condition of the product in the photos. Please ask any questions you may have. Excessive price negotiations will be immediately blocked. Product Name: Motif II A.N.C. Type: Dynamic Communication Method: Bluetooth 5.3 LE Codecs: SBC, AAC, LC3 Continuous Playback Time: ANC On: Approximately 6 hours ANC Off: Approximately 9 hours With Charging Case: ANC On: Approximately 30 hours ANC Off: Approximately 43 hours Weight: Earphone (per side): Approximately 4.31 g Charging Case: Approximately 47.1 g Waterproof Specifications: Earphones: IPX5 Charging Case: IPX4 Driver Size: 6mm Wireless Range: Approximately 10m Full Charging Time: Earphones: 1.5 hours Charging Case: Approximately 1.5 hours Frequency Response: 20Hz ~ 20kHz Impedance: 16Ω Included Accessories: Ear tips (S/M/L), USB Type-C charging cable (approx. 20 cm)