0:01
AA batteries - tipped and rattling - ends with slow spread - clicking.
0:01
AA batteries - shaking twice - dense click rattling.
0:03
AA batteries - shaking several times into handle - strong hand resonance - click rattling.
0:11
AA batteries - shaking several times - long and steady - slowing down at the end - rattling.
0:08
AA batteries - shaking rapidly and slowing down at the end - vigorous - rattling.
0:01
AA batteries - shaking once with rattling - dense tip.
0:01
AA batteries - shaking once lightly in cupped hand - rattling.
0:01
AA batteries - shaking lightly - click rattling.
0:01
AA batteries - shaking lightly - rhythmic click.
0:01
AA batteries - shaking and rattling - bright click.
0:02
Morse code with a weak signal. End sentence AAA.