GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 61986 OTG Adapter Cable for GPSMAP 8400/8600 Charge USB devices from your GPSMAP 8400 or 8600 series chartplotter with this 6-foot adapter cable. The waterproof and secure connection allows you to power an external device via USB, such as a phone or media player, from your Garmin chartplotter. You can also power your Chromecast or Roku - with a coupler and HDMI cable (sold separately) - and then stream video wirelessly to your chartplotter. Compatible Devices: GPSMAP 8400 GPSMAP 8600 GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.