Ultra 64GB Micro SDXC UHS-I Card Class 10 with Adapter High Speed Memory Card TF Card (64G) Support UHS-I ultra high-speed interface:Transfer speed up to 80MB/s Real performance test, please refer to the picture, tested under UHS-I card reader in a USB3.0 Port Professional MicroSD Card for Full HD video recording and playback, class 10 high speed memory card for smartphones, android pad, GPS, video Season Shop Remind You: There are other sellers claiming to sell our MicroSD Card, but I can assure you they are NOT the same card, NOT the same performance and capacity Package:1 pcs MicroSD card with adapter