I sweat a lot while work out, will this damage the headphones?
We have users tested that and please rest assured. It can be in awesome function even if you sweat a lot.
The headphone related
BR80 Upgrade Guide
EVO21 Upgrade guide
How do I connect to the LTS21 with an Android phone quickly?
How do I connect to the LTS21 with an IOS phone quickly?
How do I connect to the Remote Controller device with the LTS21 quickly?
How to upgrade LTS21?
LTS21 The user manual
OTA upgrade Guide