Brand N/A Quantity 1 piece(s) Material Aluminum alloy + ABS Color Blue + black Type Electronic Device Function Supports MP3 play 1.4" LED display supports TF card up to 16GB supports AUX audio input and FM radio Power Off Memory 4-music mode playing etc. FM Frequency 87.5~108 MHz Speaker Power 4 x 25 W Interface USB / TF / AUX Power Supply 12V Working Current 2A Other Features Remote control pairing: Connect the match code cable to negative electrode after relieving the anti-theft and the speaker will make a sound press the remote button within 5 seconds and the speaker will make a sound again means remote pairing successful Packing List 1 x Amplifier 2 x Speakers (90cm-cable) 1 x Remote control (3 x CR2016 batteries included) 2 x Iron clips 1 x Power cable (20cm) 1 x Pack of screws 1 x English user manual