... 3000PCS (logo customized)Working PrinciplesThis portable digital device mobile charger adopts high-performance lithium battery, with capacity of ... for travel, camping, emergency, promotion gift, advertising gift, eco-friendly products, outdoor, novel gift, business gift or other usaege.Main Technical Parameter ... :2008Product Certification: CE, RoHS, FCC Portable Mobile Charger Blackberry with 1100mAh