Impedance: Low
    Loudhailer: 50mm (Diameter)
    Frequency response: 20 - 20KHz
    Sensitivity: 110dB
    Impedance: 32 Ohm
    Maximum power input: 100mW
    Plug: 3.5 mm stereo
    Cable length: 2M with volume control
    Sensitivity: - 58dB'dB
    Frequency Respons: 30 - 16KHz
    Operating Voltange: 3V
    Packing: Color boxs
    The Loudhailer is big enough the diameter up to 50mm make you enjoy music comfortable
    Microphone Type: Electret condenser Microphone Polar patten Omni-directional
    Carton Size: 49.5 x 41.5 x 66 cm
    This product provides several colors for selecting: Blue and Silvery.
    Approved: CE / FCC
    After sales service: 1 year warranty

OEM/ODM,Customized Logos/Designs are Welcome