I purchased this from the official website, but I am selling it because I never had the opportunity to use it. I have confirmed that it works without being worn. I can also ship it after disinfecting it with alcohol. Although it is like new, please understand that it has been in someone's possession once, as it has been stored by an amateur. Below is the official description. The anime "KonoSuba: God's Blessing on This Wonderful World!" collaboration Introducing fully wireless earphones! In addition to the individual modes for Kazuma, Aqua, Megumin, and Darkness, There are a total of 5 modes, including a mode where party members interact, Equipped with over 110 completely new recorded voices. Sound tuning by Kentaro Anai of Nippon Columbia, who is in charge of music production for the animation series, In addition, a special version with the phantom in-series song "Degarashi Megami" (Used-up Goddess)! TE-D01v-KSB 22,880 yen (tax included) SPEC Product Specifications Basic Specifications Driver Φ10mm Dynamic Type Built-in microphone for calls MEMS microphone Battery capacity Earphone (per ear) 85mAh Charging case 600mAh Maximum talk time Up to 9 hours Maximum continuous playback time Earphones only: 18 hours When used with the charging case: 60 hours Playback time may vary depending on the usage environment. Earphone charging time Approximately 1.5 hours Supports fast charging, allowing for up to 120 minutes of playback with a 10-minute charge. Charging port USB Type-C Waterproof level IPX4 equivalent Bluetooth specifications Bluetooth version 5.2 Multipairing 8 devices Multipoint 2 devices Supported codecs AAC, SBC Supported profiles A2DP, HFP, HSP, AVRCP Included items Silicone eartips: S / M / L, Type-C charging cable User manual, product warranty registration card When using eartips from other companies, please check in advance whether they fit in the charging case and that the nozzle diameter is not too large. Please note that we do not guarantee the performance or operation of eartips from other companies. M size eartips are pre-installed. AVIO's collaboration goods featuring characters from the anime "KonoSuba: God's Blessing on This Wonderful World!". - Collaboration: AVIO x KonoSuba! - Characters: Aqua, Kazuma, Darkness, Megumin