Strontium Mobile WiFi Cloud (Sri-CUBa-3KW) Portable media hub with built-in USB port and SD Memory slot allow easy access to content from USB drive, portable hard drive or microSD/ SD flash card Free up valuable space on your smartphones or tablets Portable charger for smartphones and tablets Built-in rechargeable 3000 mAh 3.7v battery for up to 8 hours of continuous usage Password protected wireless connection to files keeps your data safe and protected Free iOS and Android mobile app with search utility function to identify and navigate data files 2 Years Strontium Limited Warranty