Share with friends and circle of friends with wechat scan QR code_ blank" href=" https://news.163.com/news/search?keyword=%E6%99%BA%E8%83%BD%E6%89%8B%E8%A1%A8 "> smart watch < / a > and fitness tracker, etc. < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E5%8F%AF%E7%A9%BF%E6%88%B4%E8%AE%BE%E5%A4%87 The novel coronavirus pneumonia is a new product of . The consumer spending on such devices may continue to rise from 2021 to 2022. According to Gartner's forecast, the total sales of wearable devices in the world in 2020 will be US $69 billion, an increase of 49% over 2019. This trend may last for at least a few years. Analysts predict that sales of wearable devices will reach US $81.5 billion in 2021, an increase of 18.1% over 2020, and may reach US $93.9 billion in 2022. < / P > < p > according to Gartner, the epidemic is the main factor driving the sales surge of wearable devices. Novel coronavirus pneumonia grow with each passing day, and the interest in fitness and health is increasing during the global blockade, which brings great opportunities to the wearable device market, "Ranjit Athwal, senior research director at the company," said Ranjit Atwal. Sales of ear wear devices such as < / P > < p > airpods increased by 124% to US $32.7 billion in 2020 and is expected to reach US $39.2 billion in 2021. Gartner attributed this growth to the trend of consumers buying new headphones and making video calls with headphones, and people are more inclined to use them in < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E6%99%BA%E8%83%BD%E6%89%8B%E6%9C%BA "> purchase headphones for Smartphone < / a > upgrade. < / P > < p > in the smart watch market, including apple watch, consumer spending increased by US $17.6 billion to US $21.8 billion in 2020, and is expected to reach US $25.8 billion in 2021. It is believed that this is driven by "a large number of new users entering the market", and the growth in 2021 is expected to benefit from the introduction of new processor technology and solid-state battery upgrade, which will increase battery life and shorten charging time. < / P > < p > wristband < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E8%BF%BD%E8%B8%AA%E5%99%A8 "> the sales volume of tracker < / a > has little change, with a year-on-year decrease of 2.3% to US $4.98 billion in 2020. However, Gartner believes that this track will remain unchanged, and the sales volume will further decrease slightly in 2021. < / P > < p > analysts suspect that with wearable devices < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E4%BC%A0%E6%84%9F%E5%99%A8 "> with the improvement of sensor < / a > accuracy, the gap with medical grade hardware has narrowed, and technological progress will further promote the development of the industry in the next few years. < / P > < p > atwar added: "the ability of embedded sensors is often a decisive factor in the reliability and practicality of wearable products. Considering the improvement trend of sensors in the past few years, the built-in sensors of wearable devices will be more and more capable of obtaining more accurate readings, thus driving the market growth in the next 3-5 years. " (small)