Check the listing for details. Book Reading Light, Portable USB Rechargeable LED Clip on Book Lights. Condition: New. Listed at 11.89 USD. Book Reading Light, Portable USB Rechargeable LED Clip on Book Lights for Reading in Bed, 3 Brightness Adjustable Dimmable Bookmark Light for Eye-Protection, Reading Lamp (White)DescriptionItem model number1Light Source TypeLEDStylePortable,AdjustableNumber of Items4Power SourceUSB Rechargeable 200mAh lithium batteryNumber of Light Sources1Control MethodTouchBatteries Included?NoLighting MethodAdjustableLamp Typebook reading lightNumber of Pieces1Room TypeUsbProduct Dimensions4.1"D x 1.9"W x 0.5"HMaterialPlasticInstallation TypeSpoke Clip Indoor/Outdoor UsageIndoorBrightness25 LumenWater Resistance LevelNot Water ResistantBatteries Required?NoItem Weight37 GramsConnectivity TechnologyUSBSpecial FeaturesDimmable, RechargeableSpecial FeatureDimmable, RechargeablePart Number1Shade ColorRedMounting Typeclip onColorWhiteIs Cordless?YesBase MaterialPlasticRecommended Uses For ProductReading Switch TypeDimmer❤️【Flexible Book Light】The Light lens can be rotated 90° anticlockwise, 180° clockwise, 45° downwards,350° flexible holder bends to any angle for your best viewing. Perfectly meet your lighting direction needs.❤️【Upgrade Design】Button New Design, Press Less Noise,With Out Disturbing Your Sleeping Partner or Child.❤️【3 Brightness Levels】25 Lumens, 3000K warm white light, 4300K natural white light, 8000K cool white light. Turn the book light ON/OFF and adjust brightness from 30% to 100% ，Eye-care soft glow creates a private reading space for you without disturbing others.❤️【USB Rechargeable Reading Light】No additional cables or batteries needed,computer, directly plug it into a power bank,computer, Phone adapter, car charger, or USB outlet for recharging, easy and convenient. Fully charged takes 1.5 hours and provides 8 hours lighting time.❤️【Lightweight & Portable】1.3 ounce, small and lightweight, can be completely folded flat and slim, portable put in a pocket, reading on airplane, train, or backseat of car when travelling,also used as a bookmark.