Micro USB Battery Charger, Packaging Type : White black

We are offering micro usb battery charger.
Specification:
battery cell polymer li-ion battery
capacity 4,000mah
input 5v dc, 1,000ma
output 5v dc, 500 and 1,000ma
dimension 115 x 58 x 12mm
operating temperature -10 to 50°c
cycle lifespan ≥500
charging time 5 to 6 hours
colors white,black
features:
◦appearance like aniphone4, fashionable and beautiful
◦double usb output and can charge two devices at the same times
◦five led indicators show distinctive glamor
◦business men's carry-on devices
package included:
1 x portable 4000mah power pack
6 x connector ((for nokia , micro usb, samsung, mini usb, ipod,iphone sony ericsson k750)
1 x usb cable
1 x user manual
operation
power bank charge other devices
1) connecting line connect power bank and charged equipment, press the switch could charge.
2) finish charge, put the power switch off.
3) consult the nominal power, press the switch, and the light on indicate the fact energy.
charge for the power bank
1) supply energy for the power bank, the indicator is glimmering, means power bank is in charging.
2) the four indicators are all stop glimmering, and always alight, means charge finished.
we guarantees all our products, all products have a one year warranty.
But excluded:
1. Purchase form unauthorised agents channels
2. Non authorized repairs will be invalid warranty.