Echo Wall Sound Bar

Function description: TF, bluetooth, line input, with FM radio / infrared remote control
Speaker configuration: 40mm internal magnetic 16-core speaker (4 Euro 5W) * 2 40mm bass diaphragm
Product size: Sound Blaster main unit 420mm long 62mm high 62mm
Battery: 3.7V 2000mah

Charging voltage: 5V