Also come with 3 in 1 AC adapter ( UL/EU/UK standard, available for 100-240V 50-60HZ wall outlet), Car charger (used only for the car 12 volts) One player will work for about 5 hours solely, when connecting together, they will play for about 2.5-3 hrs.
We improve volume technology and could adjust volume on the player itself, we could press RIGHT/LIGHT on touchscreen of main player about 3 seconds to increase / decrease the sound, if less part happen not work, please only contact us to re-update Loud Speaker- Built-in two high power dual speakers will provide clear stereo sound. The sound is loud, 10 default volume could be adjusted to 20 via remote control.AV OUT also allow main player sync screen to a big TV for a larger watching views Dual Portable DVD Player- WONNIE 2021 New generation 10.5 inch Dual Players with 1024*800 screens clarity, two monitors support playing a same movie via simply AV and DC cable connecting.
