The Bluetooth speaker is retro appearance, fashion and cool. And the knob is more convenient to control.

Features:

• Bluetooth Version: 4.0
• Input Impedance: 10KΩ
• Bass Unit Impedance: 4Ω
• Input: DC 5V
• Output Power: 5W+2.5W*2
• Charging Time: about 3h
• Playing Time: about 4-6h (depends on playing volume)
• Battery ?Capacity: 1800Mah
• Frequency Response: 80Hz-20KHz
• Control: Volume/BT/Remote Control/USB/TF
• Size: 120*155*190mm