It combines 3G router power bank and storage cloud; - It gives you 21M high speed experience with max. 21.6Mbps download speed rate and so you can enjoy email video news as you like in the running high-speed rail or car; - Built-in 7800mAh battery can continuously work 24 hours and standby more than 500 hours; And has plug and play function for charging phones; - Used the industry's leading CPU frequency intelligent dynamic adjustment technology power low leakage design APT reduced power consumption technology and high performance PA energy saving technology. - It can be used as a wireless USB flash drive as it has TF slot; - It starts in 5 seconds and no need to wait for. - It uses IML technology and appears compact elegant and also feels good.