OS: Android 8.X RAM: DDR3 2GB/1GB, ROM: EMMC 32GB/16GB Bluetooth: 4.0 Resolution: HD 1024×600 Power AMP IC: TDA7388 Radio Chip: NXP6686 Power Output:4×41W/4Ω max Working Voltage: 10.8~14.8V USB Output Voltage/Current: 5.4V/2.1A Audio output (analog audio): 2.0V (rms)  Operating temperature: -30~+80 degree MicroSD card (not included): up-to 32GB USB stick (not included): up-to 32GB CD/DVD Player: Not supported iPod: supported