The warm white is brand new, still sealed in the box and the multi color is used but works perfectly. All bulbs on the multi still illuminate. Both devices are USB and can work with probably any type of power source, I have used my power bank in the past. If you'd only like to purchase one, just let me know and we can work it out. Features (copied from website) - Beautifully illuminate your basecamp with 100 high-efficiency LEDs on a 30 ft. strand - Plug into any USB outlet or battery and experience the night without a headlamp (power source not included) -350 lumens of adjustable light with 8 brightness settings allow for energy conservation and versatility -6 different modes, including: solid light, fade in​/​out, strobe, flash and a fire-crackle setting -Low power draw (less than 1–5W) for energy efficiency -Compatible with any 5V USB power source -Light, packable design weighs only 1.6 oz. and fits in your pocket -IP65 rated to withstand rain and dust

Item Weight

1.6oz

Flaws/Wear Details

Warm white is brand new, still sealed in box. Multi color strand has been used around 10-15 times, still works perfect with no defects in the lights, strand, or USB connection.