SPECIFICATIONSBrand Name: NONECertification: FCC,CEHigh-concerned chemical: noneIs Batteries Included: YesIs Bulbs Included: YesIs Smart Device: noLight Source: LedLuminous Flux: 249-2000Origin: Mainland ChinaPower Source: Rechargeable batteryStyle: NoveltyVoltage: 5V Charging atmosphere desk lamp Product parameters Power: 2.6w Cct: 2700k Charging time: 3 hours Input voltage: dc 5v Working time: 7-90 hours Switch mode: three dimming mode Material: aluminum/brass Brightness mode: 100%-50%-10% Led brand: samsung lm281ba+ 18 pcs led Product dimensions: d88*h280mm / d3.46*h11.02 in Single package: 110*110*310mm / 4.33*4.33*12.2in Battery: 500 times charge and discharge lithium rechargeable battery cell Scene shooting effect Company profile Our company adheres to a business philosophy of reliable quality and innovation to achieve product approval and development.ItAimThisPurpose,WeSincerelyInviteThePowerSupplyEngineerOfWuhan, chinaPolytechnicUniversityNowWuhan, chinaUniversityOfTechnology),ElectronicEngineerOfSimonFraserUniversityOfCanada,AppearanceDesignerOfXi'anAcademy.OfEndArts,AndTheMechanicalDesignProfessionalOfJiangxi provinceUniversityOfScienceAndTechnologyItJoinTheTeam.All products and designs are integrated with a stable ic design scheme, aesthetic appearance, and practical value to meet customer expectations.The company originated from the research and development as well as production of rechargeable table lamps, adhering to the development philosophy of "refine quality, state-of-the-art craftsmanship, and strong practicality".In.TheIcsSolutionDesign,FactorsThatCouldCauseIrreversibleDamageToBatteriesSuch asAs.TransportationAndStorageTime,StoragePeriod,Self-dischargeRate,LongStandby.Time,InsufficientCharging,Over-dischargingAndOver-charging,AndInconsistent.ParametersOfFastChargingAdaptersHaveAlready.BeenTasksIntoConsideration.At the same time, the solution optimizes the product's standby time, endurance, charging and discharging frequency, and common usage issues.TheDesignPhilosophyOfEachProductIsBasedOnTheExternalAndInternalEnvironmentalFactorsDuringItsUse,OptimizingTheBestCombinationOfVariousElectricalComponentsAndEliminatingAnyStructuralProblems,Thus.AchievingTheTeamsPursuitOfTheProject. Business philosophy: State-of-the-art design concepts and polished product quality are integrated with ingenuity to meet customer expectations.