Come and see our amazing products. This U disk memory is 4GB, read speed is greater than or equal to 14M / s, write speed is greater than or equal to 4.3 M / S. wrist strap style, easy to carry, fashion gorgeous. Soft silicone material, toughness, free to reverse, a variety of colors optional. Wrist band and the perfect combination of U disk, so that it is more convenient to carry, beautiful. we can also print your designated LOGO. Add your imprint and hand them out during your next promotional event! Pls confirm with us about the packing info, stock status and exact production time before placing your orders.