Flexible wireless eye-protection LED desk lamp,built-in 2000mAh battery inside, rechargeable

Model Number: Moonlight LED lamp ESL-02 Brand Name: East Sky Key Specifications/Special Features: Description◆ Eye-protection lamp function with low radiationThis product uses the technology of semiconductor luminous and doesn't have mercuryLong service lifespan, low radiation, ultra low blue light, very comfortable reading and writing◆ Silicone lamp arm can be freely adjusted in any angle, 270 degrees adjustable and the aluminum body looks elegant◆ Built-in rechargeable 2000mAh polymer battery which is safe and with long use lifespan lightIt can be worked continuously for 3-30 hours after one time fully charged◆ Light up your logo, very nice advertising toolCustomer's logo on back of lamp, when lamp is on, the logo will be light up automatically, very beautiful and will be a perfect tool for advertising◆ Touch switch design to turn on/off, easy to operate
Another touch switch to change light color, and slid to adjust light brightness
Three light colors choice according to different needs:
Yellow light (3100K) for using mobile device like phone and iPad
Warm light (4200K) for reading
White light (5400K) for writing

Specification
◆ Product size: 56.2*6.5*2.1cm
◆ Material: aluminum alloy+silicone
◆ Battery type: polymer battery
◆ Capacity: 2000mAh
◆ Logo: custom laser logo (can do light up logo effect)
◆ LED light advertising size: 64.5x28mm
◆ Product color: black+black, silver+white, gold+white
◆ Power input: 5V/1A
◆ Color temperature: warm white: 3100K, neutral white: 4200K, cool white: 5400K
◆ Luminous flux: warm white: 9.858-119.97lm, neutral white: 14.294-131.01lm, cool white: 20.113-189.42lm
◆ Luminous efficiency: warm white: 49.3-108.4lm/W, neutral white: 50.4-102.7lm/W, cool white: 54.35-108.1lm/W
◆ LED lamp wattage: warm white: 0.09-2.43W, neutral white: 0.19-3.75W, cool white: 0.13-2.41W
◆Wavelength range: warm white: 551.2-554nm, neutral white: 579.3-579.7nm, cool white: 581.2-581.4nm