Product parameters:
OP-620D uses the mouse with 'X4 high-speed optical positioning' technology, the resolution of the mainstream 800DOI, work to 1.02 million pixels / second speed to drive the screen, the scanning rate of 4000FPS, the maximum speed of 20G, Mobile flexibility, the control effect is relatively smooth and accurate.In addition, the interface, OP-620D only provides PS / 2 interface, not equipped with USB interface.
Shuangfeiyan OP-620D2 basic parameters
Working mode optoelectronics
Mouse type wired
Product interface PS / 2
Shuangfeiyan OP-620D2 technical parameters
Resolution 800 dpi
Shuangfeiyan OP-620D2 other parameters
System support for Windows 95, 98, Me, NT4.0, 2000 and XP Mac OS 8.5 ~ 9.X
Other performance
Mouse size: 122 x 63 x 40mm

Adapt to Windows 95, 98, Me, NT 4.0, 2000 and XP IBM and compatible computers














Shenzhen Gao Shi Bai Electronic Firm was established in 2016, is a commitment to research and development, production, sales of the mouse, keyboard and other computer peripheral products of the modern enterprise. Now the company began research and development of various notebooks, computer speakers, the company has a factory in Shenzhen Baoan, For the production of the mouse, keyboard, speakers and other manufacturing; under the Ministry of production, marketing, quality control, warehousing and other departments, can quickly with the customer's shipping; company to provide better products and services , In Guangzhou Tianhe Shipai has offices, in addition to operating their own factory production of the mouse and keyboard, but also with a number of computer peripheral products manufacturers work closely with foreign and national customers around the computer to provide supporting services!
In order to maintain the stability and stability to provide customers with quality products and services, in the internal quality of our company will conduct a rigorous testing of each project, and strive to meet customer quality requirements; in the entire production process, we put forward: In the external, we actively listen to the views of customers and end consumers, and constantly on the effective guarantee of the quality of the product.
After several years of continuous progress and development, today, the company for its high-tech, high quality and quality service to win the majority of customers around the world and peer recognition and trust! We will always adhere to the 'quality', 'pragmatic' Innovation ',' integrity 'as the core values, demanding self, forge ahead, and constantly open up, Wing Chong high. We are willing to work with you to create brilliant!
Friendly reminder: shop goods sell all refused to bargain, which is for all customers is also a fair, but also for my shop
Integrity of the business certainly, while saving your valuable time, thank you for your understanding and cooperation!
★ goods after the transaction, in the Alipay notice delivery, we will timely delivery. (5 pm before the payment can be shipped the same day)
★ If you have bought and bought before the auction, please contact; we will give you a satisfactory answer.
★ because the photo shows the reasons, there will be some color, we try to do pictures and physical consistency.
★ one-time purchase of multiple pieces only to pay a postage Oh. (Shop below the home page search window, enter the relevant model
You can find all the models of this shop accessories)
★ buyers please receive the express parcel when not eager to sign, please be sure to open the package immediately confirm the goods after the receipt
1. If the product quality problems (non-human damage in the case), the buyer can accumulate the way, and other bad things accumulated to a certain amount of time after the return of a return, for a good product can also be the next order Time together with the order of goods together to send back.
2. Please send us the product you need to repair, please fill in the details (contact details of the contact name, address, phone and product problems), we will fill in the address you return to the product to you.
3. We are not responsible for product return shipping back and forth, customers have to pay.
Replacement problem:
1. Different products, have a corresponding warranty period (usually 3 months to 1 year warranty.) During the warranty period if the quality problems, non-human damage in the case, you can replace the new (depending on the appearance of the product damage The warranty period is posted
The warranty period on the product is subject to the validity period (Note: Please keep the warranty label clear, complete and unmanned in the warranty period).
2. Customers slow sales of products, such as the need for return (the premise must be returned to keep the goods intact, no signs of damage or wear), the customer must be received within 15 days after the arrival of our staff To deal with, more than the specified time, the product is not quality problems, can not be returned.
3. Man-made damage, packaging damage, not Returns, special circumstances can be negotiated.
4. buyers have just received a product found to have problems (such as: product model is not right, less products such as accessories ... ... within 24 hours after the receipt of contact us
Transaction description
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1, the purchase of a small amount of single items can be directly photographed remittance to Alipay, without notice, the owner will be in accordance with the information you register timely delivery; if the freight is not enough, the owner will inform you to make up the freight and then shipped.
2, if you need to buy more items please contact the owner to modify the postage, the purchase of multiple items with the mail (not overweight) only received a real shipping;
3, the owner can not 24 hours Want online, so you can directly Want or qq or station letter message, we will be on the line after the timely reply; urgent need to call us directly, the phone number to check our home page.
4, if you choose the surface, please wait patiently, the general delivery of the country after about 7-14 days to reach; 30 days without arrival
5, OUR general use Yuantong and Huitong delivery, in order to reach other areas or choose other modes of transport, please contact before the contact
6, the customer before the purchase problems as far as possible can be used to contact us in the form of telephone, your telephone consultation we can quickly respond. Because too many online customers, there are too complex technical advice problems we may not have too much time to answer online, received After the goods if you find a problem please contact the seller, we will be the fastest speed to deal with after-sales! Can online message! Phone and other forms!
7, all the goods please see after the photographed, what questions please ask before asking, please do not like after the receipt is not as good as that, do not apply embarrassed shopkeeper.
8, the buyer should provide accurate receipt address, consignee and contact information.If the receipt of information is wrong, resulting in the goods can not be delivered or delayed all the losses borne by the buyer.
Of the receipt address, the consignee and contact information.If the receipt of information is wrong, resulting in the goods can not be delivered or delayed all the losses borne by the buyer.
9, the buyer should first and logistics (post office, Qiyun, express, etc.) staff on the spot to check the goods on the spot to confirm the quality and quantity of goods after the correct and then sign, sign that the goods have been served and by If the number and quality of the goods are problematic, the buyer should ask the logistics company to produce a valid proof on the spot, take pictures of the scene and contact the restaurant in time, the shop will be handled as appropriate.
10, warranty and aftermarket (five-star)
In the shop receipt date, within 3 days of quality problems, please contact the owner, the restaurant can be returned to the postage to the buyer to replace the new product, within 3 months of quality problems pay each postage, 3 months later The buyer himself is responsible for the postage warranty.









To the letter-based, and finally customer satisfaction
We may not guarantee that every transaction is perfect, but we absolutely protect the interests of all customers! You have any questions, please contact us, the rest of us to solve!