Key FeaturesModel: Havit HV-SK473Frequency: 90 HZ-20KHZImpedance: 4Power Output: 3W*2Power Input: 5v (USB)Color: Blue/Red/Green�DescriptionHavit�SK473 USB SPEAKER Blue/Red/GreenHavit 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 SK473 USB 2.0 Speaker Features and Design�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. In this speaker, These speakers boast a frequency response range 90 HZ-20KHZ, 3W*2(RMS) output power, 5v (USB) power input, 84db sensitivity with 4Ω (Ohms) Impedance. These speakers have a unique design and a compact size to take less space on your desk or table also let you attend calls, adding to their versatility and also provides. In our shop�Blue/Red/Green colors are available.