Our 32GB memory card is a perfect solution for mobile apps, taking high resolution photos and recording Full HD videos. Faster memory card ensures flicker-free smooth HD video recording.Speed test was performed using USB 3.0 port and latest memory card reader that complaint with microSDHC/microSDXC and supports UHS-I speed. With USB 2.0 port or older memory card reader, maximum read or write speed would be no more than 18MB/s. as USB 2.0 ports are slower.Built with the highest standard of manufacturing process to ensure quality, reliability, and speed.High-End Controller is used for the sustained minimum speed and compatibility which in combination ensures smooth operations both for Hi-Res images and HD/4K/3D videosCompatible with: Doro 1360 Doro 2404 Doro 6620 Doro 7010 Mobile (s) and other microSDHC/microSDXC compliant devices.In case of any issues such as incompatibility, or defective cards, BigBuild Technology offers you a 60-day money back guarantee and a 5-year warranty.eMemoryCards by BigBuild Technology 32GB Ultra Fast 100MB/sec Class 10 microSDHC memory card for Doro 1360, 2404, 6620, 7010 Mobile. microSD to SD Adapter lets you use the expandable memory card in the camera/camcorder/laptop. ULTRA HIGH SPEED: UHS-I speed is perfect for mobile apps, high-resolution photos, flicker free smooth HD video recording RELIABLE: Built with the highest standard of manufacturing process to ensure quality. Operating temperature is between 0°C to 70°C and storage temperature is between -25°C to 85°C. SPEED: Using USB 3.0 port, read speed is up to 80MB/s and write speed is up to 20MB/s. Using USB 2.0 port, maximum read and write speed is approximately 18MB/s as USB 2.0 port is slower HIGH-END CONTROLLER: High-End Controller is used for the sustained minimum speed and compatibility which in combination ensures smooth operations Brand BigBuild Technology Color 32gb Read Speed 80 Megabytes Per Second Item Weight 0.04 Kilograms Media Speed 20.0 Manufacturer BigBuild Technology Model Number 5db03c3a-e8c2-4abd-aa44-64ff1c1d2088 Warranty Type Limited Flash Memory Type Micro SDHC Compatible Devices Smartphone Additional Features Temperature Proof Hardware Connectivity microSDHC Memory Storage Capacity 32 GB Secure Digital Association Speed Class Class 10