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.