Hello Kitty design usb flash drive Material: imported crystal, high density alloy Capacity: 16G/ 32G Size: 4.2*3.6*1 cm Weight: 50 g Color: gold, silver Interface: USB 2.0, Plug and play Read speed: 20 mb/s Write speed: 3 mb/s Waterproof, anti-magnetic Data retention: Min 10 years Original grade A chip light and very low power consumption Beautiful appearance, creative design