These cases can be used to store TF / CF / SD card. Each slot of this memory card holder fits the card strictly and perfectly. The ergonomic locking system keeps the memory card holder securely.Features:Adopt environmental protecting ABS material without any odor, it is safe to use.Without smell, anti-aging as well as not easy to deformation.The shell of inside card case is TPV material, sturdy.It is a water-resistant polycarbonate case made to carry and store memory cards.Each slot of this memory card holder fits the card strictly and perfectly.The ergonomic locking system keeps the memory card holder securely.Convex design on the case makes card media case more ergonomic and more comfortable.Compact and lightweight design, convenient to carry.Notes:1. The Memory cards reader function suorts computers and the devices with OTG function, but the iOS ale iPhones are not included.2. Before you start to read the card, please double check your device’s setting and make sure the OTG function is on.Specification: Material: ABS, PC, TPVModel No.: PU5001, PU5002, PU5004(optional)Storage Capacity: PU5001: 3SIM+2XQD+2CF+2TF+2SD PU5002: 4CF+8SD+9TF+1Card PIN+1Standard SIM+2Micro SIM+2Nano Sim PU5004: 1Standard SIM+2Micro SIM+2Nano Sim+3CF+7SD+6TF+1Card PINRead Card: TF / CF / SDUSB Type: 3.0Cable Length: 40cm / 15.75inItem size: PU5001: 7.3 * 5.9 * 2.6cm / 2.87 * 2.32 * 1.02in PU5002: 11.5 * 7 * 2.1cm / 4.43 * 2.76 * 0.83in PU5004: 11.5 * 7 * 2.1cm / 4.43 * 2.76 * 0.83inItem weight: PU5001: 68g / 2.40oz PU5002: 129g / 4.55oz PU5004: 205g / 7.23ozPackage size: 13 * 8 * 3cm / 5.12 * 3.15 * 1.18inPackage weight: PU5001: 98g / 3.46oz PU5002: 130g / 4.56oz PU5004: 230g / 8.11ozPacking Included:PU5001:1 * CasePU5002:1 * Card Pin1 * CasePU5004:1 * Card Pin1 * Cable1 * Case