Earlier, Google announced that it would replace the existing Google Wallet and Android Pay with a new payment method. Now that Google officially merges the two into Google Pay, the new Google Pay app is now available for download from the Google Play Store.
The new Google Pay will include personal credit cards, debit cards, vouchers and store loyalty cards. Simply put, Google Pay integrates features that depend on Google Wallet and Android Pay, but not all features are a perfect replacement. The transfer function was originally implemented between Google Wallets, but the new Google pay did not include this.
Google was the first company to introduce NFC payments, but it did not receive strong support because of its promotion efforts and poor relationship with consumer terminals. Subsequently launched the payment tool Android Pay. Now Google is re-integrating two decentralized software with a powerful mobile ecosystem. It pre-installs Google Pay on all Android phones, so that the market share can be increased, so that two similar software can be combined to reduce the user's trouble.
Users in the North American market are still mainly based on credit card payments, and the rise of mobile payments is not as rapid as in developing countries. Therefore, this adjustment of Google will be accompanied by more shops and banks. Google's main competitors, Samsung Pay and Apple Pay, have already worked extensively with retailers, so the disadvantages of Google's latecomers are also very obvious. At the same time, as the global sales champion of the Android series (excluding mainland China), Samsung's own payment system will also be a constraint for Google. At the same time, the European and American markets also have payment software such as Venmo and Paypal. This Google Pay will still face huge challenges.
There are two types of noise canceling headphones, active noise reduction and passive noise reduction.
The active noise reduction function is to generate a reverse sound wave equal to the external noise through the noise reduction system, and neutralize the noise, thereby achieving the effect of noise reduction. Active noise canceling headphones with noise-reducing circuits that compete with external noise. Most of them use a large head-mounted design, which can be used to block external noise by using earplugs and earphone casings, and to perform the first round of sound insulation. There is plenty of room to install active noise reduction circuits and power supplies.
Passive noise canceling headphones mainly form an enclosed space by surrounding the ear, or use soundproof materials such as silicone earplugs to block external noise. Since the noise is not processed by the noise reduction circuit chip, generally only high frequency noise is blocked, and the noise reduction effect on the low frequency noise is not obvious.
Application:
1: Business people, because of frequent business trips, especially those who travel between different cities every day, they must hate the noise in the cabin. If there is a noise-cancelling earphone, they will be able to stay away from these noises. Relax by enjoying the music.
2: The office staff also need a pair of noise canceling headphones. Sometimes when thinking about planning, listening to the sound of central air conditioning is particularly annoying, and if there are colleagues around at this time, it is even more annoying. At this time, you may wear a pair of noise-cancelling headphones to expand your thinking in music.
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