Home Slickdeals Harman Kardon Invoke Bluetooth Voice-Activated Speaker with Cortana Graphite for $32.99 (Refurbished)... Slickdeals Harman Kardon Invoke Bluetooth Voice-Activated Speaker with Cortana Graphite for $32.99 (Refurbished) at Newegg By ARCOM - 10 June 2020 157 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Invoke Bluetooth Voice-Activated Speaker with Cortana Graphite for $32.99 (Refurbished) at Newegg