Home Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker (Refurb, Black or Silver) $40 +... Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker (Refurb, Black or Silver) $40 + Free Shipping By ARCOM - 11 March 2019 144 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Invoke Smart Bluetooth Speaker (Refurb, Black or Silver) $40 + Free Shipping