The wire part is made of silver-plated copper. Many TRN products use this wire. The twisting is slightly wrinkled, but basically there is no problem. For example, there is no stethoscope effect, stiffness, etc., and it is still the same. It can satisfy most players.

The 0.78 pin with a limit protection slot that remains unchanged for thousands of years not only protects the plug, but also has a good appearance and allows users to freely upgrade the cable.

Currently, TRN BT30 has unresolved issues: such as waterproofing, touch control, and active noise reduction. In fact, I think that since someone is doing this, these functions will be available sooner or later. Currently, there is no discomfort in using them. The usage is almost the same as ordinary true wireless earphones. When taken out, it will automatically turn on and automatically connect to the mobile phone. Bluetooth stability great.

The general feeling is that they are following the route of high cost performance and crazy stacking of materials. Of course, they are not the only manufacturer of this style, but TRN may be the loudest among them.

It has been developing abroad in the early years, and foreigners have become very popular there. In recent years, the focus has been shifted to China (because of a new type of coronavirus?), so with this wild approach The style of play has also broken out into a new world, and it is also a well-known brand in the domestic fever circle.