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Enjoy a 3-in-1 package of entertainment, music, and light that you can take anywhere. The Sun King Boom lets you enjoy music while you work or travel, with a lantern that’s just as capable for lighting your workspace as it is that dark road on your way home. Take advantage of the Boom’s versatility and join more than two million customers around the world.


Up to 36 hours of light on a single charge


16X brighter than a kerosene lamp


FM radio, MP3 player


USB for mobile charging

Smart Mobile Charging

The Boom features a universal, 5 volt USB port and is equipped with several phone adapters, so you can charge practically any type of mobile phone with solar power.

Media Playback and Storage

Listen to music your way: through built-in speakers or from the audio jack connecting your earphones. Either way, the Boom supports playback from both USB-connected devices and SD cards with up to 32GB of memory.

Adjustable Runtime

Make the most of a single sunny day of charging with adjustable configurations: its power-saving mode offers up to 36 hours of lighting or 9 hours of audio output.


160 lumens per watt

Solar Panel

2.7 W, 4.9V polycrystalline solar panel with an aluminum frame and a 5-meter wire


3000 mAh, Lithium Ferro-Phosphate (LFP) battery

FM Radio

87.5MHz - 108 MHz frequency range with internal antenna, storage up to 10 channel with numeric key input

Speaker/Earphone Jack

Powerful 3W in-built Speaker, Aux-in 3.5mm Earphone jack with volume adjustment up to level 18

External Media

MP3 files through USB, SD card/TF card slot for memory size up to 32GB

Digital LED Display Indicator

Radio/MP3 Player: Displays FM channel frequency band, soundtrack. Battery and Charging Indicator to help optimize solar panel placement

Light Modes

3 different light modes for various needs


Water Resistant, Rugged ABS and polycarbonate plastic