Features:<br />With unique sound quality in the same wireless headsets.Signature appearance and 40mm HD driver unit provide clear sound quality・thus bring real depth and definition of your favorite music.Strong sound quality and function・unique individual character style totem・super light head-band aim to bring the most comfortable wearing experience and the best durability.Lets you enjoy music anytime and anywhere<br /> <br />Specifications:<br />Distance: abour 10M<br />Battery Volume:300mA<br />Charging voltage:DC 5V<br />Working time: music 4-6H  call8-10H<br />Version:V4.0+EDR<br />Microphone:built-in<br />Power rating:40mw<br />Working voltage:DC 3.7V<br /><br />Packing:<br />1*bluetooth headset<br />1*user manual<br />1*USB cable