New power bank with bluetooth 1,Portable,mini size. 2,Rechargeable polymer battery. 3,Led lighting. 4,Power 1. Product Specifications: ... hour: 50000hours Charging input voltage, electric current:DC5.0V 1000mAh Charging output voltage, electric current: DC5.0V 500mAh Battery ... last for 3 seconds, it will twinkle.) Function 3, Power bank( To charge for mobile phone with 2200mah capacity) Function4, ...