Poly CALISTO 5300, Mobile phone, Black, 3 m, 85,1 dB, 150 - 20000 Hz, 4 Ω
Poly CALISTO 5300. Device type: Mobile phone, Product color: Black, Maximum operating distance: 3 m. Sensitivity: 85,1 dB, Frequency range: 150 - 20000 Hz, Impedance: 4 Ω. Microphone frequency: 100 - 7500 Hz. Connectivity technology: Wireless. Power source type: Battery, Battery technology: Lithium Polymer (LiPo), Battery capacity: 1000 mAh