JBL is a brand owned by Harman International Industries, Inc., a subsidiary of Samsung Electronics in South Korea. JBL is the world's largest manufacturer of professional loudspeakers, and is well-known in the audio industry as it can be seen in a variety of performance venues, theaters and home entertainment.

JBL has a wide range of true wireless earbuds, most of which tend to be fashionable and sporty, among which the T series is the most representative, and the more noteworthy ones are the T280TWS in the REFLECT FLOW and T series. 

The shape of the T280TWS is good, the earbuds and the charging case are both metal shells, four colors are optional, tuned with Harman curves, the sound quality is good, and the weight of 5.2 grams on one side is relatively light, which is suitable for daily commuting. Support Bluetooth 5.0 and IPX5 waterproof,The price is 999 yuan,But its connection is not stable,Many people report that it occasionally has no sound on one side。

The REFLECT FLOW looks similar to the T280TWS, but in terms of its parameters, it is clearly more suitable for sports: it supports IPX7 waterproof, has a fish-fin design, and similar to the Samsung Galaxy Buds, it supports ambient sound mode, and when you need to listen to a conversation, you can automatically amplify the ambient sound or conversation around you by simply touching the earbuds, without taking off the earphones, which is suitable for daily sports and commuting.

REFLECT FLOW lasts up to 10 hours, up to 30 hours with the charging case, and also supports fast charging, claiming that it can be used for 1 hour in 10 minutes of charging, and supports Bluetooth 5.0, but the price has also doubled compared to T280TWS, if you are not a sports user, it is not cost-effective to buy this.

JBL also has a popular true wireless modelUA FLASH,It is a joint model of JBL and the sports brand Under Armour,It also supports IPX7Waterproof,But it only supports Bluetooth 4.2,It has lagged behind the mainstream,The price is the highest of the three,1599Most of the price is premium,The cost performance is also very low。