Output power: 3W*2 
Speaker: Φ52 mm*2
Power input: DC 5V
Frequency response: 90Hz-20KHz 
Impedance: 4Ω
product size: 65 72*65mm*2

Havit HV-SK473 USB 2.0 Speaker is distinctive cube-shaped that literally fit in the palm of your hand. You can surround yourself with the perfectly balanced music and also get surprisingly rich sound from this speakers. HV-SK473 speaker  accept sound input from various audio devices such mobile phone, laptop and MP3 player can also be connected to a DC power adapter. Featuring an USB cable for power input, these speakers can operate from the power supplied by the laptop.

Havit HV-SK473 USB 2.0 Speaker has a unique design and a compact size to take less space on your desk or table. They also let you attend calls, adding to their versatility. These speaker is compatible with devices with a 3.5mm input jack. These speakers have a unique design and a compact size to take less space on your desk or table.