Metal amplifier

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{"cid":"264672","pid":"35197326","pimg_url":"\/\/img1.b2bforus.com\/dc\/44\/9bdf5c45947a\/product\/137331647_s-w400xh400.jpg","name":"Wholesale new type K7 K6 teaching wireless rechargeable audio amplifier mini portable amplifier teachers use speakers with microphones","attrs":{"Price":"Negotiable","MOQ":"5 pieces","Delivery Time":"Negotiable","Brand":"custom"}}

{"cid":"264672","pid":"35197320","pimg_url":"\/\/img1.b2bforus.com\/dc\/44\/9bdf5c45947a\/product\/137331621_s-w400xh400.jpg","name":"Teaching model K7 K6 wireless rechargeable audio amplifier mini portable amplifier with battery for teachers and tour guides","attrs":{"Price":"Negotiable","MOQ":"5 pieces","Delivery Time":"Negotiable","Brand":"custom"}}

{"cid":"264672","pid":"35197315","pimg_url":"\/\/img1.b2bforus.com\/dc\/44\/9bdf5c45947a\/product\/137331591_s-w400xh400.jpg","name":"High Quality K7 Wireless Portable Teaching Speaker K6 Audio Amplifier Mini Amplifier for Teachers and Tour Guides","attrs":{"Price":"Negotiable","MOQ":"5 pieces","Delivery Time":"Negotiable","Brand":"custom"}}

{"cid":"264672","pid":"35197311","pimg_url":"\/\/img1.b2bforus.com\/dc\/44\/9bdf5c45947a\/product\/137331560_s-w400xh400.jpg","name":"High Performance Teaching Microphone Classroom Microphone And Wireless Speaker K7 K6 Speaker For Teachers And Tour Guides","attrs":{"Price":"Negotiable","MOQ":"5 pieces","Delivery Time":"Negotiable","Brand":"custom"}}