1.How to change the color of book light?Repeat open and close until you get the color that you like.
2.What's the lithium capacity of our book lamp?
1800mAh,it can hold light turn on 5-6 hours after full charged.
3.How about the warranty and how can we get the warranty?
12 months warranty.
We will repair or replace, at no charge, products or parts of a product that proves defective because of improper material or workmanship, under normal use and maintenance.
4.How can I get the sample for testing and how long can I get it?
Sample charge will be prepared,but it will be returned by mass order.Sample will be sent to you within 5 days.
5.How many LED colors included for our book lamp?