Product description Battery capacity :1600mHA Charging time:1-2 hours Working time:6-8 hours Product size:22172.5cm Material: kraft paper Color: maple white, walnut red, walnut black Package including 1 x led night light 1 x USB Cable 1.Material upgradeMade of safe, durable and water resistance tyvek paper and superb maple wood. The appearance adopts PU leather with grain,soft texture, feel good,high - grade,powerful magnet,can rotate the book lamp 360 degrees. Wooden book light is not the normal paper like the book, it is tear-resistance, so you don't worry it will destroy easily 2.Unique designDesigned with magnets to lock it in place. Powerful magnet in both top and bottom covers, which enables the book can be shaped as round and half circle,can be placed on your table, desk as reading light, or stick onto your refrigerator or magnetic wall as night light. 3.Convenient controlSwitching the light color by open and close the book light,Yellow, red, white, green, blue, and has automatic gradient mode-circularly 5 Gradual Change colors. USB Wood book lamp compact book light can be taken with you on the go and works without cords. 4.USB charging designThe foldable book lamp can work for 8 hours after charging for 2 hours. Recharge it by connecting the power charge wire to your computer or your mobile power adaptor USB port. 5.Wide application you can use it as atmosphere light, desk lamp, floor lamp, wall lamp, nightlight, droplight, outdoor light, emergency light etc. Warm Yellow Light gives great help to people to get into sleep. It is also an ideal gift for your children, parents or friends, especially on special days such as Christmas, Valentine's Day or Thanksgiving Day.