... power bank Model :RV12 ( Portable 3G Router )Product : Portable 3G router RV12 is a multifunctional and portable 3G router ,share the freedom ... mAh rechargeable Li-polymer battery, 8 to 10 hours continuous working time.Ideal portable device for charging any smartphones,Iphone/ ... CWith protection for over charge , over discharge, short-circuit to keep the charging process safely. 4.WIFI Wireless data ...