There are three USB ports :USB1.1, USB2.0, and USB3.0. Theoretically, USB1.1 can deliver speeds of up to 12Mbps/ SEC, while USB2.0 can deliver speeds of up to 480Mbps/ SEC and is downward compatible with USB1.1. The USB3.0 transmission rate is about 3.2Gbps (320MB/S). The maximum theoretical rate is 5.0Gbps (500MB/S).
With the rapid development of computer hardware, peripheral equipment is increasing, keyboard, mouse, modem, printer, scanner has long been known to everyone, digital camera, MP3 walkman followed, so many devices, how to access the personal computer? USB was created for this purpose.

Product Parameter
| Coupling | Push-Pull |
| Shell Material | Anodized Aluminum |
| Insert Material | PPS, Max Temperature 260℃ |
| Contact Material | Brass with Gold Plating |
| Termination | Screw |
|
Cable Outer Diameter |
10~14mm |
|
IP Rating |
IP67 |
| Mating Cycle | 500 |
| Temperature Range | -20℃~+70℃ |
| Insulation Resistance | 2000MΩ |
Xiamen Leaka Electrical Equipment Co., Ltd., founded in 2015, is located in Kaifulong Industrial Park, Haicang District, Xiamen City. The company is good at the R&D, design, production, installation, construction and sales of industrial automation connection systems and solutions. With its strong technical strength and the concept of customer service, the company perseveres in all walks of life for the safe connection of electricity. In order to meet the connector needs of users in different regions, Leaka has set up a manufacturing plant, which effectively improves the product pedigree, product quality and service efficiency.
Xiamen Leaka has an independent R&D, production, logistics and external installation construction team. Its main products include M8, M12, M16, M23, 7/8, RJ45, D-sub, USB, flange, junction box, valve plug, pre cast harness, heavy load connector, wallboard, watertight connector, energy storage connector, terminal block and other series of products.
We are an experienced factory;
We have a variety of connector products and industrial cables for you to choose from;
We can print your logo on the connector products;
We can customize colors and even styles according to your needs;
Customized--We are the manufacturer! sample &OEM&ODM are available!
Safety--We have own test chart, all of our products have been rigorously tested in the factory.
Certification--We have CE and quality management system certification.
High Quality --Our company uses the most advanced equipment to make the best quality products.