[Headphones recommendation] With the development of the era, the trend of intelligentization makes headphones begin to gradually move out of the traditional functional restrictions and begin to move toward different types of transportation products. Among them, "sports type headphones" have received the majority of fashion and young people due to their characteristics of being portable and compact. Like, especially with the launch of the world’s first true wireless Bluetooth sports headset, Selbel Black Bean D900, sports headphones have become one of the hottest headphone categories. The small Selbel D900 integrates five core functions: wireless, unlimited battery life, proximity pairing, single and double, comfort and convenience. It also features active noise reduction and one-button answering function. If you think it is very complicated, Then you are wrong. Pay attention to the cover of the manual and you will find that the manual will introduce us to the features of the Saierbaer D900 in a concise manner, and strive to take only 5 minutes to make it easy for us to use. We know that traveling or traveling needs more baggage. Traditional headsets are difficult to carry because of their large size. They wear earphones and are worried about being twisted by headphones during walking. They increase the risk factor when crowding subways, buses, and other means of transport. It is often a business trip or a family of tourism to give up and give up, but this will cause the lack of music to accompany on the road, less fun. Summary: Affordability is worth buying If you are considering buying a Bluetooth headset, then this Selbel D900 is definitely worth considering. I have used too many Bluetooth sports headsets like the Saier Bell D900, so after experiencing this headset can be concluded, Saier Bell D900 is the most worthwhile purchase of similar products, the brand is big enough, technology is advanced enough , The power is sufficient enough, comfortable to wear, it will not appear as the same as the cottage products endless connection failure, inconvenience and other issues. In the features, the real wireless, wireless battery life, stereo sound quality, close to the matching and other functions is more difficult to have the earphone to the right. The price of 299 yuan will be able to have such a top-notch headset, what are you waiting for --- more information, headset business opportunities, headset purchase, please pay attention to China headset trading network: [/], welcome to a free trial membership trial, contact information
1.ANTENK Wire to Board connectors are avialable in different terminations and sizes intended for use on a variety of applications. These connectors provide power and signal with different body styles, termination options, and centerlines. To find the wire to board set required, click on the appropriate sub section below.
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Wire to Board Connectors Information Wire To Board Connectors,Wire Harness,Pcb Wire To Board Connector,Pin Wire To Board Connector,IDC Wire to Board,Locking Wire to Board,Latching Wire to Board,Fine Pitch Wire to Board ShenZhen Antenk Electronics Co,Ltd , https://www.antenk.com
When it comes to sporty headphones, it has several obvious qualities: it is "small and wireless, easy to operate, comfortable and flexible, and has unlimited battery life". It really brings a very convenient enjoyment to the sports crowd. Today, we will evaluate the representative of a sports Bluetooth wireless headset - Selbel Black Bean D900.
The small black bean in the palm of your hand is portable! Portable! Still portable! ! !
Bluetooth sports headset really wireless Saier Bell D900
From the appearance, the Selbel D900 is very compact (official data is less than 8 grams of weight alone), wearing it completely realize that there is no sense of burden, very portable, and the naked surface makes people feel very playful Lovely, with any style of dress does not appear low.
Bluetooth sports headset really wireless Saier Bell D900
The earplugs are made of food-grade silicone material and will not feel pain even if worn for a long time. The design of the inner ear hangs the headset even when playing basketball or running, and it can be said to have been created for our sports enthusiasts. In the look and feel of high-end, but also to ensure the ear when wearing comfort, design is quite humane.
Easy to use, easy to use 
Bluetooth sports headset really wireless Saier Bell D900
Observed friends will also find that there is only one key to the Selbel D900. This shows that the Selbel D900 has many functions, but the operation is very simple, a key can handle all functions. Click this button to answer the phone and hang up the phone. And when we double-click it in the case of an incoming call, the call to the last call recorded by the mobile phone is achieved. And even close to the pairing is also very simple, in accordance with instructions on the instructions, as long as the pairing is successful, take the other headset at the same time press 2-3 seconds can be paired successfully. In addition, according to Saierbeier’s official statement, the Black Bean D900 uses a Bluetooth 4.0 low-power technology, charging for 2 hours can guarantee up to 12 hours of listening time, wireless battery life, for frequent travel or like traveling like me For people, it is definitely a great gospel.
Really wireless, let sports, business trip, travel safe and comfortable Bluetooth sports headset really wireless Saier Bell D900 
I wonder if you also have such troubles? Now, with the Selbel D900, without the shackles of a headphone cable, listening to music to answer the phone no longer annoying lines dangling in your chest, do not worry that it will be inadvertently protruding by the horse It doesn't have to worry about the sound quality because of the endless stethoscope effect, and it doesn't have to worry about the power problem.....it's safe to listen to music and watch videos while traveling, on a business trip or at work. dream!
Really wireless, let the sport say as usual, "I am not afraid of not knowing the goods, I am afraid that the goods than goods", on the map is a domestic top Bluetooth sports headset, but when we play basketball or cycling and other sports, we can still feel the headphones The shackles of the line, but also not beautiful.
However, the latest launch of the Saierbeier D900 not only lacks the shackles of the ear line, allowing us to exercise freely, but also let people who wear the headset sport cool! If you exercise with the goddess or the goddess, you never have to worry about it.
In terms of price, when a certain domestic wireless headset (picture 3) is claimed to have a price of 680 yuan, selling the 1200 yuan as a genuine wireless Saier Bell D900 is simply a price for cabbage!
Stereo mode, sound quality Madden talked about headphones, sound quality is a topic that can never be bypassed, through real machine audition, the quality of the Selbel D900 is beyond my expectations, it can work independently around the earbuds, after using Bluetooth pairing is successful, That is, it can be turned into a two-channel stereo mode, shocking sound instant detonation, the sound quality feels clear and pure high-frequency, bass surging! I test machine countless, Saierbeier D900's sound quality can be comparable to any Bluetooth sports headset on the market, even worse than it. Therefore, in the sound quality of this piece, the majority of customers can also rest assured. 
IDC Wire to Board
Locking Wire to Board
Latching Wire to Board
Fine Pitch Wire to Board
Description
Wire-to-board connectors are used to interconnect printed circuit boards (PCBs) by using connectors attached to wires.
Specifications
Specifications for a wire to board connector include the following.
Wire-entry angle - There are three wire-entry angle styles: vertical, right-angle, and bottom-entry.
Wire size - Wire size is usually measured in American wire gauge (AWG), a standard for non-ferrous wire conductor sizes. The term "gauge" refers to the wire`s diameter. The higher the gauge number, the smaller the diameter and the thinner the wire.
Circuits or positions - With wire to board connectors, the number of circuits or positions may range from 1 to 120.
Pitch or center spacing - Pitch or center spacing is measured in millimeters (mm) or inches.
Lock to mating style - There are three basic lock-to-mating styles: positive, friction, and friction ramp.
Maximum current - The maximum current or current-carrying capacity is measured in amperes (A) and ranges from 1.0 A to 50. A.
Termination Methods
Crimp is the physical compression of a contact wire around a conductor to make an electrical and mechanical connection. Insulation displacement connectors (IDC) slice through the cable insulation to make a connection. Choices for termination method also include cage clamp, screw, tabs, and solder cups.
PCB Mounting Styles
With wire to board connectors, there are four choices for PCB mounting.
Through-hole technology (THT) mounts components on a PCB by inserting component leads through holes in the board and then soldering the leads in place on the opposite side of the board.
Surface mount technology (SMT) adds components to a PCB by soldering component leads or terminals to the top surface of the board. SMT components have a flat surface that is soldered to a flat pad on the face of the PCB. Typically, the PCB pad is coated with a paste-like formulation of solder and flux.
Press-fit and compression-style Board To Board Connectors are also commonly available.Wire to Board Connectors Information
Standards
Wire-to-board connectors carry approvals from various national and international organizations. In North America, they often bear marks from Underwriters Laboratories (UL) and/or the Canadian Standards Association (CSA).
A wire to board connector for the European marketplace should comply with the Restriction of Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment (WEEE) directives from the European Union (EU). Wire-to-board connectors that comply with other requirements are also available.
BS 9526 N0001 - Specification for multi-contact edge socket electrical connectors.