Original nia headset factory hot selling nia-x2 headset with TF and FM radio function

Bluetooth function TF card and FM Radio frequency range:87-108MHz speaker diameter:40mm speaker impedance:32ohm speaker sensibility:108db+/-3db frequency respond:20-20000Hz playing time:15 hours color:10  color MEAS:77.5*33*64CM QTY:  100   PCS Contact with me；niaheadset02@163.com skype: niaheadset