five level shif repeat function
built-in safety charger
built-in and out two microphones
built-in speaker and hi-fi earphone
by hand and automatically repeat
by hand and automatically follow read and bontrast
five level shif repeat function
built-in safety charger
built-in and out two microphones
built-in speaker and hi-fi earphone
by hand and automatically repeat
by hand and automatically follow read and bontrast