Home Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana $50 + Free Shipping Slickdeals Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana $50 + Free Shipping By ARCOM - 18 October 2018 157 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Invoke Smart Bluetooth Speaker w/ Cortana $50 + Free Shipping