Home Slickdeals Harman Kardon Invoke Voice Activated Bluetooth Speaker Refurb $39.99 + Free Shipping Slickdeals Harman Kardon Invoke Voice Activated Bluetooth Speaker Refurb $39.99 + Free Shipping By ARCOM - 20 February 2019 112 0 SHARE Facebook Twitter Go to the deal page: Harman Kardon Invoke Voice Activated Bluetooth Speaker Refurb $39.99 + Free Shipping