Comfortable, foldable wireless headphones featuring 70 hours of playtime and 40mm drivers. - Model Name: H30i - Battery Life: 70 hours - Driver Size: 40mm - Bluetooth Version: 5.3 - Design: Foldable - App Support: soundcore app - Comfort: Soft leather earcups - Multipoint Connection: Connect to 2 devices simultaneously I haven't used them much since I bought them, so there are no scratches or stains. Thank you for looking.