Quantity: 1PC. It makes your Smart Watch charging become more convenient. Material: Plastic. Charging voltage/Current: 5V-0.16A. Compact and lightweight Design, Convenient for travelers and business users. Power protection circuit included. Applicable: For Xiaomi Mi Band 2/3/4/5/6/7/7Pro Bracelet. Note: If the watch with a protective cover, it will not work.