• Swan Led Usb Desk Light With Extra Usb Port System 1
  • Swan Led Usb Desk Light With Extra Usb Port System 2
  • Swan Led Usb Desk Light With Extra Usb Port System 3
Swan Led Usb Desk Light With Extra Usb Port

Swan Led Usb Desk Light With Extra Usb Port

Ref Price:
$6.91 - 7.94 / pc get latest price
Loading Port:
Guangdong
Payment Terms:
T/T
Min Order Qty:
100 Pieces pc
Supply Capability:
100000 Pieces Per Month pc/month

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Product Description

 Fetures

  • Built-in touch switch

  • Energy-saving power consumption specifications 1.9W

  • Equipped with an extra USB extension port, which can be connected to a USB device or smartphone

  • Flexible arm where the angle can be adjusted freely

  • Less heat compared to fluorescent light

  • Prevents straining of eyes even if used for a long time

  • USB connection type to achieve long life and energy saving

 

Specifications

  • Power: USB-powered

  • Input voltage: DC5V

  • Input current: 380mA (LED light)

  • Power consumption: 1.9W (LED light)

  • Color temperature: 5500K (daylight white) or equivalent

  • 25cm directly under illumination: About 600lx

  • Life expectancy: 40,000hrs (projected figure)

  • Directivity angle: About 120 °

  • Dimension (H x W x D): 320 x 120 × 215mm

  • Mass (Without cable): 160g

  • Cable length: About 1.8m

  • Accessories: USB cable (USB A male <=> USB mini-B male)

 

Application:
1.Table lamp
2.Bed lamp
3.Office lamp
4.Reading lamp
5.Working lamp
6.Emergency lamp
7.Radio online
8.Music speaker
9.Exquisite gifts

 

Cautions:
1.For the first time when charging the device, charge it more than ten hours but less than 24 hours; After the first time, the device will be fully recharged in eight hours, please don't charge it more than 12 hours.

2.When playing MP3, if the sound goes out or gets weak, it means the battery is running low, please recharge your device in time.

3.The device can perform during recharging, please turn it off if not using it.

4.Battery is not allowed when the device is on charge.

5.The voltage for recharging is between 4.5-5V, recharging time is between eight to ten hours.

 

Delivery:

Shipping Service

Estimated Delivery Time

DHL

2-8 business days

FedEx

3-8 business days

TNT

2-10 business days

UPS

1-7 business days

EMS

6-14 business days

ePacket

7-12 business days

China Post Air Mail

7-15 business days

China Post SAL

14-30 business days

By Sea

30-40 business days

1. 3-5 business days for Sample Orders; 7-15 business days for Bulk Orders for Bulk Orders.

2. "Business days" means Monday-Friday, excluding holidays.

3. DHL and UPS cannot ship to military or P.O. boxes address

4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us.

 

Q:Use LED lamp plant useful? Useful for which plants, which plants useless?
Please use the special plants led lights, different plants require different proportion of blue light red light, different growth cycle will be different. The light of the lamp is lighting, may not be able to meet the needs of the plant's growth.
Q:Of tubes is said to be good, and some say good leds, which is really good
Incandescent lamp is red light, yellow light is refers to the 2700 k color temperature, most provinces to eyes, fluorescent tubes and LED light is dazzling.
Q:What are led lamp accessories
USB cable, drive power panel. + 3, rechargeable, rechargeable battery, voltage regulator circuit board (rechargeable).
Q:How many watts of 10 square meters of the bedroom with led bulbs Warm white or white
As for the color temperature, I suggest that a warm white is better. Warm white can make atmosphere at home more warm oh, are you sure you don't want to work in the day a day to go home, in the cold environment and sharing family happiness!
Q:The effect of rechargeable lamps and benefits
And the benefits of a little-known, rechargeable lamps often can charge, by the way, when use rechargeable batteries like a giant filter capacitor. 50 hz ac mains through bridge pile rectifying become 100 hz dc pulse current drive light work, if the filter capacitor is too small, dc power supply will be pulse ripple, Taiwan will flash light frequency of 100 hz. Have the battery, filtering effect to perfect, to the nearest basically eliminated the problem lamp strobe, the desk lamp that shield an eye than other parity works.
Q:LED lamp circuit of current more conference appear what problem
Will first fever, if it is too big, can burn out directly. On the issue of the lights, string, and, have a plenty of string and share
Q:The lamp that shield an eye is after the light lamp or led the good
LED you to choose natural white warm white (neutral) is not dazzling
Q:LED rechargeable lamp, battery voltage is how many v?
The working voltage of LED (light-emitting diode) on different materials are different. Ordinary do remind instructions with phosphorus gallium arsenide material in between 1.55 V - 1.85 V; Gallium nitride material in 1.85 V - 2.15 V, the LED is red, green, yellow, orange glow (double color LED a variety of colors to choose from. General working current is very small, about 5-10 ma (0.005 0.010 A) A -- -- -- -- --, the brightness is not very high, can not be used for lighting. Using is a kind of super high brightness LED flashlight, its working voltage is higher, generally 3.35 V - 3.65 V, working current is relatively large, at 30 ma -- -- -- -- -- 50 ma, high brightness. Above is reproduced, the following is what I write. You can also in the baidu search is known here.
Q:Led rechargeable lamp, charging is completed, charging indicator light color?
See what colour before charging, then ran a period of time under observation to know, most of them are will change color. Look at the LED instruction before charging, have on the manual instructions.
Q:How to distinguish whether the led lamps and lanterns glare, is there a standard?
Glare can be divided into disability glare and arrow glare. Who reduce eye glare called a disability glare, it will be Reduce the visibility of the visual object, but not necessarily produce uncomfortable feelings; Who make the person produces the feeling of displeasure glare is called no Comfortable and glare. Cause glare of led lamps and lanterns has the following four major factors. (1) the light source brightness factor: the higher brightness, glare, the more significant. (2) light source location factor: the closer it gets to the line of sight, glare, the more significant. (3) the light source appearance size and number of factors: the apparent area, the greater the number of light sources, the more the glare, the more significant. (4) the surrounding environmental factors: environment brightness is dark, eyes adapt to lower brightness, glare also becomes more significant. Dazzling light not light, but for the concept of lamps and lanterns. Leds - t8 fluorescent lamp has been rise, are alternative Fluorescent lamp market, due to the lamps and lanterns is ready, can't change, leds - t8 fluorescent lamp needs to ordinary fluorescent effect Fruit near, thus formed the concept of glare. Anti glare products, need to consider the brightness of the led, led between the row Cloth, spacing, the led itself to the distance of the optical cover, the shape of the optical cover, light transmittance, etc., rather than simple Shell or configuration problem.

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