Cart Continue shopping “Listener” has been added to your cart. Continue shopping “Regular” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal IEEE member 11,000฿ IEEE member quantity 11,000฿ Listener 1,000฿ Listener quantity 1,000฿ Regular 12,000฿ Regular quantity 12,000฿ Update cart Cart totals Subtotal 24,000฿ Total 24,000฿ Proceed to checkout