Adjustable Power Supply input voltage:AC 100-240V 50/60Hz,Output voltage:DC3-12V 2A;Output adapter jack size: 5.5mm x 2.5mm, compatible with 5.5mm x 2.1mm Easy to use, no Wiring Necessary the 110-240V input is US standard two-pin plug, simply plug in and use, the output is a standard DC5.5*2.5mm mal...

Ultra-Comfort with Open-Ear Headphones: Experience matchless comfort even for all-day wear with these non-intrusive, open-ear headphones. Enhanced Situational Awareness: V20i open-ear earbuds let you stay connected to the world while enjoying pristine playback. Ideal for both urban life and outdoor ...