Shure SH-899 Professional mic has a longer Battery life of abut 6 hours
non stop using 9V battery. It produces a Clear original sound quality.
Has a very high sensitivity, wide range of
direction & dynamic state, less distortion rate, light weight &
not easy destroyed. It is widely used with the professional systems in a
recording room, on a professional stage or in some testing instruments.
Has a high function kinetic
coil mouth piece. Has a steady all-direction antenna installed & it
can be adjusted to a suitable angle to receive the best signal. In
addition, it has a True diversity receiver filter of the RF, to avoid
those interference signal from band outside. It is also incorporated
with a Multilevel quiet control circuit, to avoid interference signal
from outside open the mute system.