Bluetooth 5.1 has a wider coverage range and a four-fold increase in speed. To meet the needs of mobile clients, it has lower power consumption and is compatible with older versions
Dear,you must understand that once you lose your hearing, it won't come back.
Hearing prevention is always more economical and safer than treatmen.
The use of PROHEAR protective earmuffs should become a daily habit like wearing seat belts. Take a pair with you so that you can be protected at any time.