Home Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana (Black or Silver) $40... Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana (Black or Silver) $40 + Free Shipping By ARCOM - 27 November 2018 116 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana (Black or Silver) $40 + Free Shipping