the 2-in-1 Lanyard USB Charger Cable is Made of Durable Polyester, & It has a Metal Clip to Display Id Badges or Security Ids for New Employees or Conference Attendees. Because the Buckle is Made of Metal, It is Very Firm & Not Easy to Deform & Bend, Which Can Make the Service Life of This Product Longer. Unhook the Necklace to Reveal a Micro USB Compatible with Mobile Phones That Can Hook into Power Sources for Powering Phones Only, Not for Data Transfer Use. Although the Length of This Hanging Rope is Not as Long as That of Ordinary Data Cable, It Can Also Meet the Needs of Office Workers in the Office. Minimum Quantity: 250