Used only a few times. Operation confirmed. Full set of accessories. The ear tips currently attached to the main unit have been used. The ones in the case are unused. No need to ask for a comment, you can buy it directly. We will ship on the same day or the next day after purchase. Anonymous shipping. I am also selling other items. Welcome to buy in bulk, discount possible for shipping costs. The YYK-526 is a wireless headset that offers an ergonomic design and ultra-lightweight for a comfortable fit. - Model Name: YYK-526 - Wireless Version: 5.4 - Design Features: Ergonomic design - Weight: Ultra-lightweight - Accessories: Charging cable - Battery level indicator: Digital display Thank you for viewing.