Thank you very much for viewing! ^ ^ This is a new, unopened item, but please understand that the packaging may have some minor stains. This is an entry-level model in the "FreeBuds" series of fully wireless earphones. It adopts a semi-open canal design. The earphones themselves have IPX4-equivalent water resistance. The earphones also feature a 10mm dynamic driver with a highly sensitive composite diaphragm. Three sizes of silicone ear tips (S/M/L) are included (size M is already attached to the earphones). Other main specifications include Bluetooth version 5.2, and support for SBC and AAC codecs. Continuous music playback time is 6 hours for the earphones alone, and 24 hours with the charging case. The weight is approximately 5.11g for the earphones alone (including ear tips), and approximately 35.6g for the charging case (without earphones). Thank you very much. m(_ _)m