... microphone Sutra Stereo( Build-in High Capacity Battery, Working for 360 Hours (OEM MOQ1000) AS-16000 SUTRA STEREO Wholesale priceRequired ... by engineers, Build-in rechargeable High Capacity battery, Running for 360 Hours, Now the Sutra Stereo is available (Patented) ) 1 ... ,Build-in rechargeable High Capacity battery, Running for 360 Hours,Rechargeable, Can be Charged by computer USB or Cellphone ...