Features: High-speed read and write of class 10. Capacity of 64GB. Metal plating chip, ensuring the stability and security of data. A+Flash chip. High quality silicon wafer, read and write without latency. The TF card is suitable for USB3.0, also compatible with USB2.0. Its transmission speed is up to 80MB/s. Plug and play. Max. repeated plugging and unplugging times: 10000, very durable. 4 Proofings: Waterproof, high and low temperature resistant(-25~85), anti-magnetic, X-ray proof. For digital camera, car camera, cell phone, table PC, GPS, electronic dictionary, audio player, and game machine. Specifications: Brand: Andoer Color: Black Memory Capacity of TF Card: 64GB Transmission Speed: 80MB/s Voltage Transmission Range2.7V~3.6V Operating Temperature: -25~65 Storage Temperature: -30~85 SD Card Size: 15 * 11 * 1mm / 0.6 * 0.4 * 0.04in SD Card Weight: 0.11g / 0.004oz SD Card Adapter Size: 32 * 29 * 2mm / 1.2 * 1.1 * 0.08in SD Card Adapter Weight: 2g / 0.07oz Package Size: 6 * 4.5 * 0.6cm / 2.4 * 1.8 * 0.2in Package Weight: 6g / 0.23oz Package List: 1 * Andoer 64GB TF Card 1 * TF Card Adapter Note: The full capacity may not reach 64GB because of different calculation method between manufacturer and computer.