Hi thank you Really supprise that you can understand vietnamese^^ The wireless build in chargable 4-5 hour battery which can replace wire, and move freely 30-50 metter away from the speaker Suitable for performance/ show... Price ~usd50 May i know if where are you now? And do u wanna know more about our ap-300 pro? :))

hi i do not understand vietamese but there is a translator whichconverts to english i am welsh from the city of cardiff capitol of wales utd kingdom my name is michael i do have a greaten ap300 from mr chen in china trying to set the breath and sensitivity controls really enjoy you videos keep them coming @@saodientusaigon

I bought an AP300 recently from your website and it's scheduled to deliver tomorrow. Do you have a link for that wireless transmitter? Looks really cool! Kind Regards