Thank you for viewing. The ERATO RIO3 is a true wireless earphone with Bluetooth 4.2 and IPX5 water resistance, perfect for an active lifestyle. - Brand: ERATO - Model: RIO3 - Bluetooth Version: 4.2 - Supported Codecs: AAC, SBC - Water Resistance: IPX5 - Usage Time: 6+ hours 【Product Condition】 Although unopened, this is a used item, so we cannot guarantee any minor damage not mentioned in the description. Please understand this before purchasing. *Please check the images for detailed condition. Stored in a room without smoking or pets. 【Shipping】 We will ship via free, anonymous delivery. 【Notes】 Please refrain from purchasing if you are overly sensitive. We cannot accept claims after purchase. Please purchase only if you understand the above. 【Other】 Managed in an environment without smokers or pets. Product photos are taken under white lighting, regardless of day or night.