Currently, the most popular wearables are some basic smart bracelets, such as the Millet Bracelet and Fitbit Charge, etc. However, IDC notes that such products will maintain the low one-digit gains over the next four years.
By contrast, smartwatches (basic watches and smartwatches) will be the mainstream with shipments to reach 195.5 million by 2021, compared with 61.5 million this year, thanks to more manufacturers and more Function (such as cellular network) to join.
By category, the basic smart bracelet shipments this year is estimated at 45 million, accounting for 39.8% of the overall wearable device market, while shipments in 2021 will reach 47.7 million, accounting for 21.5 of the overall wearable device market %.
This year's shipments of basic watches are estimated at 29.9 million units, accounting for 26.4% of the overall wearable device market, while shipments in 2021 will reach 78 million units, accounting for 35.1% of the overall wearable market.
This year's full-featured smartwatch shipments are expected to be 31.6 million, accounting for 27.9% of the overall wearable device market, while shipments in 2021 will reach 71.50 million, accounting for 32.1% of the overall wearable device market.