history of headphones timeline

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
history of headphones timeline	1.86	0.9	1619	71	30
history	0.24	0.7	9786	55	7
of	1.27	0.7	5555	40	2
headphones	1.07	0.2	8283	67	10
timeline	1.19	0.3	8769	11	8

Keyword	CPC	PCC	Volume	Score
history of headphones timeline	0.5	1	4307	69
history timeline of wireless headphones	1.4	1	2351	78
skullcandy headphones history timeline	1.62	0.6	3408	78
evolution of headphones timeline	0.74	0.2	2720	10
the history of headphones	0.35	0.3	1045	72
when were headphones in	0.53	0.3	7399	88
when were headphones created	0.59	0.4	6965	41
when were the headphones invented	1.06	0.9	7328	39
what year were headphones invented	1.72	0.1	5304	85
when were the first headphones made	1.37	0.2	4836	74
who invented headphones and what year	1	0.3	9350	13
how long have headphones been around	0.88	0.2	8665	29