Poly CX300 R2, IP Phone, Black, Wired handset, Monochrome, 80 dB, 3%
Poly CX300 R2. Product type: IP Phone, Product color: Black, Handset type: Wired handset. Display number of colors: Monochrome. Dynamic range: 80 dB, Total Harmonic Distortion (THD): 3%, Ringer type: MP3. Compliance industry standards: TIA-920, Certification: UL60950-1 (USA/Canada) IEC / EN60950-1 (EU) GOST MIC CQC EMC. Weight: 2.43 lbs (1.1 kg), Handset weight: 7.41 oz (210 g)