Currently, the prices of Bluetooth headphones on the market range from dozens to thousands of yuan. How safe and comfortable are these Bluetooth headphones? Is long-distance Bluetooth transmission reliable? Does it harm hearing? Are there performance differences between products at different price points? Recently, a comparative test of Bluetooth headphones conducted by the Guangzhou Consumer … Read more
Bluetooth, as one of the essential features of smartphones and laptops, has solved the problem of short-range wireless transmission since its inception. With the updates in versions, the transmission rates have gradually improved, making Bluetooth a standard feature in almost every laptop and smartphone. Bluetooth has certain advantages over other short-range wireless transmission tools. Firstly, … Read more
1 Introduction Bluetooth technology has been widely applied in various scenarios such as personal electronics, automotive electronics, smart homes, smart cities, and industrial IoT, gaining support from over 30,000 manufacturers. The number of Bluetooth-enabled devices has reached 3.6 billion, and it is expected to rise to 5.2 billion by 2020. Bluetooth is currently one of … Read more
History of Bluetooth Headphones This story dates back to the 10th century. At that time, the Nordic lords were fighting for supremacy, with wars erupting continuously. To end these conflicts, the King of Denmark stepped forward, and through his relentless efforts, the bloody wars were halted, and all parties sat down at the negotiation table. … Read more
What are the differences between classic Bluetooth and Bluetooth low energy (BLE or LE)? Why are they both called “Bluetooth”? What is the difference between Bluetooth low energy and Bluetooth smart? Which technology should I choose for my application, classic Bluetooth or low energy Bluetooth? These are common questions for those who are new to … Read more
Bluetooth LE is a Bluetooth protocol designed specifically for ultra-low power applications. In this article, we will explore how BLE has become an energy-efficient short-range wireless connection technology. Before diving into the details of BLE, let’s first understand what a communication protocol is. What Is a Communication Protocol? Over time, computing has evolved from standalone … Read more
Analysis of Bluetooth Technology’s Security Vulnerabilities and Attack Methods In current network applications, the Internet of Things (IoT) has a ubiquitous demand for diversity, low cost, low rate, and short distance. Such demands are mainly realized through low-speed network protocols like Bluetooth. Bluetooth is an open standard for short-range communication, utilizing embedded chips to achieve … Read more
Recently, I have been using Chipsea’s Bluetooth chip to develop a small project. The functionality is quite simple, similar to a lost item tracker, but in this project, the host is also a Bluetooth chip instead of a smartphone. This necessitates learning more about protocol stacks. However, the most frustrating part is not learning the … Read more
“ For Bluetooth technology, the establishment of the Mesh specification symbolizes a transformation in form, and its vast impact makes it a paradigm shift. ” Since its launch in 2000, Bluetooth has actively pursued growth, initially aiming to replace wired technologies, but quickly became an important standard for wireless audio and computer peripherals, such as … Read more
Whether you are an ordinary consumer or a tech enthusiast, Bluetooth is definitely a term you are familiar with. However, if you are a Bluetooth application developer or a tech geek, it is essential to further understand the two major Bluetooth technologies in the core specifications: Bluetooth BR/EDR (Basic Rate/Enhanced Data Rate) and Bluetooth Smart. … Read more