Portable Bluetooth audio is a kind of audio equipment which can be wirelessly connected with smart phones, tablet computers and other devices through Bluetooth technology. 
It has the characteristics of compact and portable, easy to carry and excellent sound quality, so it is very suitable for outdoor travel, outdoor sports, family gatherings and other occasions. 
Here are some of the features of portable Bluetooth audio: 
Wireless connection: portable Bluetooth audio connects wirelessly with equipment through Bluetooth technology, which gets rid of the limitation of traditional wired audio and is easy to use. 
Compact and lightweight: portable Bluetooth audio is usually made of lightweight materials, small in size, light in weight and easy to carry. 
Excellent sound quality: portable Bluetooth audio usually uses high-quality audio chips and speakers to provide excellent sound quality performance to meet the needs of users for music. 
Waterproof design: many portable Bluetooth stereos are waterproof and can be used outdoors to cope with bad weather conditions. 
Multi-functional support: some portable Bluetooth audio also supports FM radio, TF card playback, USB playback and other functions to meet the needs of different users. 
Generally speaking, portable Bluetooth audio is a convenient, practical and excellent sound equipment, which is very suitable for outdoor travel, outdoor sports, family gatherings and other occasions. 
When choosing, users can choose the products that suit them according to their own needs and budget.