Smart device shipments will reach 3 billion units in 2023, according to a new forecast by Canalys.
The devices include smart speakers, smartphones, wearable bands, PCs, notebooks, tablets and personal audio devices.
The shipments represent a growth of 7% from 2019.
Smartphones are expected to remain the most important category, accounting for more than half of all smart device shipments.
Smart personal audio is the fastest growing category, projected to grow 32% in 2020, reaching 490 million units, including Bluetooth headphones earphones and earbuds.
The second fastest growing category is expected to be smart speakers, up 22% to 150 million units in 2020, followed by wearable bands, growing 12% in 2020.