Come and see our amazing products. Wearable wrist strap design keeps USB flash drive secure. Slap style wristband is made of silicone. Maximum read speed 20m/s, data transmission rate 20m/s, maximum write speed 20m/s. Adopting USB2.0 interface. It is ideal for promotional gifts, business gifts and so on. Pls confirm with us about the packing info, stock color and exact production time before placing your order