Built-in protection switch, avoid deleting data incautiouslySupport SDHC compatible devices, not support SD 1.01 devicesSupport SDA2.0 (class6 class 10)Support Windows, Mac OSSuitable for cameras, phones and PDAsPlug and play, easy operationSpecification:Capacity: 1GBFile format: FAT32Speed: Class 10(USB 2.0 interface - write: 10MB, read: 14MB)Working temperature: -25 degree centigrade - 75 degree centigradeTransport temperature: -35 degree centigrade - 85 degree centigradeVoltage: 3.3VSize: 32mm x 24mm x 2.1mmWeight: 2gCompatible with:Huawei Honor 7ZTE Nubia Z5S miniZTE Nubia Z5SZTE Nubia Z7 MiniZTE Nubia Z7 MaxZTE nubia Z9 Maxnubia Z9 miniPackage included:1 x 1GB High Speed Class 10 SDHC Memory Card