Megaphones

EPOS EXPAND 20. Device type: Universal, Product color: Black, Silver, Optimized for: UC, Skype for Business. Frequency range: 150 - 15000 Hz. Microphone frequency: 150 - 6800 Hz, Microphone direction type: Omnidirectional. Connectivity technology: Wired, USB connector type: USB Type-A, USB connector gender: Male. Talk time: 20 h, Standby time: 30 h, Battery recharge time: 2.5 h

Lenovo 4XD1C82055. Device type: PC, Product color: Black, Cable length: 31.1" (0.79 m). Sensitivity: 85 dB, Output power: 3 W, Frequency range: 140 - 20000 Hz. Microphone frequency: 100 - 10000 Hz, Microphone direction type: Omnidirectional, Microphone sensitivity: 64 dB. Connectivity technology: Wired. Width: 3.54" (90 mm), Depth: 3.54" (90 mm), Height: 1.93" (49 mm)

DELL SP3022. Device type: Universal, Signal-to-Noise Ratio (SNR): 80 dB. Frequency range: 90 - 20000 Hz. Connectivity technology: Wired, USB connector type: USB Type-C. Width: 2.8" (71 mm), Depth: 8.9" (226 mm), Height: 2.31" (58.7 mm)

DELL MH3021P. Device type: Universal, Product color: Silver, Cable length: 18.3" (0.465 m). Frequency range: 200 - 20000 Hz. Microphone frequency: 100 - 10000 Hz. Connectivity technology: Wired, USB connector type: USB Type-C. Width: 4.69" (119 mm), Depth: 4.69" (119 mm), Height: 1.26" (32 mm)