This is a set of three hardware security keys from Yubico. 【Set Contents】 ① YubiKey 5C Nano × 2 ② YubiKey 5C × 1 【Product Features】 ・USB-C connection compatible security keys ・Supports multiple protocols such as FIDO2/WebAuthn, U2F, and OTP ・Can be used with hundreds of services including Google, Microsoft, 1Password, and Dropbox ・IP68 rated for waterproof and shock resistance ・High-quality Swedish-made security devices ・Ideal for multiple devices and backups 【About Each Product】 ■YubiKey 5C Nano (approx. 12 x 10.1 x 7mm, 1g) Compact nano shape that can be left plugged into a PC ■YubiKey 5C (approx. 12.5 x 29.5 x 5mm, 2g) Standard shape that can be attached to a keychain 【Product Condition】 Purchase Date: 2 years ago Usage: All 3 items are completely unused and new Accessories: Body only (no packaging) Appearance: No scratches or stains as they are unused 【Shipping】 Shipped via Rakuraku Mercari Bin Nekopos. Shipped from Tokyo. Stored in a pet-free and smoke-free environment. We will use simple packaging and recycled materials to be environmentally friendly. We appreciate your understanding. These can be used for multiple accounts, devices, or as backups.