Purchased 3 days ago. I'd like to sell them because I didn't like the sound quality. The rubber ear tips have been wiped with alcohol. I've confirmed that Bluetooth connection works without problems and that audio plays. I've discarded the box, the included cord, and the replacement earbud parts ( ; ; ) The instruction manual is included. White canal-type wireless earphones with ENC function. - Bluetooth version: 5.4 - Battery life: Approximately 4.5 hours of playback - Noise cancellation feature: ENC function - Color: White - Design: Canal type Thank you for looking.