This headset suitable for Nokia all mobile phones, and it's the latest Nokia headset. The following specific data:
Frequency response: 20Hz-20KHz
Speaker diameter: 4cm
Speaker impedance: 32Ω
Rated power: 2mw
Power handing capability: 5mw
Cable length: 1.2± 0.3m
Sensitity: 100dm
Frequency response: 20Hz-20KHz
Speaker diameter: 4cm
Speaker impedance: 32Ω
Rated power: 2mw
Power handing capability: 5mw
Cable length: 1.2± 0.3m
Sensitity: 100dm