All non-essential lights and sounds are disabled. The processor throttles to essential functions only, extending battery life up to 72 hours.
: On your device (phone, tablet, or PC), go to Bluetooth settings and turn it on. Search & Connect : Scan for new devices and select yyk525 user manual exclusive
10–12 hours of talk/music time; up to 120–400 hours standby. All non-essential lights and sounds are disabled