JBL Go 3: Portable Speaker with Bluetooth, Built-In Battery, Waterproof and Dustproof Feature - Black Style:Go3 You can also sync GPSMAP

You can also sync GPSMAP 86i with the Garmin Explore™ website for cloud management of your favorite waypoints

eS Series Specifications:

Charge it for at least 6 hours during the daytime in direct sunlight and it will turn on automatically at night

NMEA 2000 connectivity enables easy integration with compatible chartplotters

Overload and over temperature shutdown

JBL Go 3: Portable Speaker with Bluetooth, Built-In Battery, Waterproof and Dustproof Feature - Black Style:Go3 You can also sync GPSMAPJBL Pro Sound delivers surprisingly big audio and punchy bass from Go 3s ultra compact size. JBL Go 3s ultra portable design goes great with the latest styles, and its design make it look as great as it sounds. JBL Go 3 is IP67 waterproof and dustproof, so you can bring your speaker anywhere. Wirelessly stream music from your phone, tablet, or any other Bluetooth enabled device. JBL Go 3 gives you up to 5 hours of playtime on a single charge. Included