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首頁>Hani test products>戴尔 OptiPlex 9020-SF英特尔酷睿i5-570 3.2GHZ，32GB RAM，512GB 固态硬盘，DVDRW，Windows 10 Pro 64bit

戴尔 OptiPlex 9020-SF英特尔酷睿i5-570 3.2GHZ，32GB RAM，512GB 固态硬盘，DVDRW，Windows 10 Pro 64bit

US$ 299.99

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戴尔 OptiPlex 9020-SF英特尔酷睿i5-570 3.2GHZ，32GB RAM，512GB 固态硬盘，DVDRW，Windows 10 Pro 64bit

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- 商品名稱: 戴尔 OptiPlex 9020-SF英特尔酷睿i5-570 3.2GHZ，32GB RAM，512GB 固态硬盘，DVDRW，Windows 10 Pro 64bit
- 產品型號: 207188
- Computer Memory Size: 32 GB
- CPU Model: Intel Core i5
- CPU Model Manufacturer: Intel
- CPU Speed: 3.20 GHz
- Graphics Description: Integrated
- Hard Disk Size: 512 GB
- Hardware Platform: PC
- Item Dimensions: 28.95 x 31.24 x 9.39 centimeters
- 重量: 10 kg = 22.0462 lb = 352.7396 oz
- 分類: Hani test products
- 標簽: casual , abcde
- 創建日期: 2020-05-13
- Eyekepper BB40 lenses - transparent lenses with coating.100% UV protection.
- The lenses do not block blue color of online test for color filtering properties.Please check Eyekepper BB60,BB90 and BB98 lenses if you need block blue color and block more blue light.
- Test via the spectrometer(the performance of blue light blocking): block 29% within 500nm, block 32% within 490nm, block 33% within 480nm, block 35% within 470nm, block 36% within 460nm, block 37% within 450nm, block 39% within 440nm, block 51% within 430nm, block 93% within 420nm, block more than 99% within 400nm-410nm.
- Almost no color distortion.
- PRODUCTS DIMENSION - Frame Material is Metal, Lens width about 2 1/16 inches(52mm),Frame width about 5 5/16 inches(135mm),Lens height about 1 5/16 inches(32mm),Frame height about 1 5/16 inches (33mm),Bridge(DBL) about 9/16 inches(19mm),Temple length about 5 5/16 inches(135mm), with spring hinge
Per the Occupational Safety & Health Administration: The preferred viewing distance for VDTs ranges between 18 and 24 inches (45.72 and 60.96 centimeters, respectively).

FEATURES AND BENEFITS

Filters 100% of the most damaging low-level blue and nearly 40% high energy visible light from tablets, phones, TV, computers and more.
Our lenses code is BB40 for the Eyekepper violet block glasses.
Anti fatigue
Anti jet lag blue blocker
Get maximum protection with ourpatented, multi layer coating designed specifically to reduce glare, reflect blue light away from the user and relieve long term eye strain caused by excess electronic device use.
Whether you are looking for computer glasses for the office or a late night Netflix binge. Eyekepper glasses will give you the premium protection you are looking for
If you are unfamiliar with blue light it's right next to UV light on the spectrum of light. It is comprised of very high energy and a low wavelength very similarly to UV light. All of our electronic devices with a back-lit screen give off large quantities of blue light (Iphones, Ipod, Laptop, Computer TV.)
This blue light messes with our internal clock making us think it's mid day when really it can be closer to night and stops our body from naturally producing the melanin that helps us fall asleep late at night

INCLUDES
1*hard zip EVA case
1*cleaning soft cloth

CARE
To avoid damage, never clean your computer glasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings.