EPOS

EPOS EXPAND 40+. Device type: Universal, Product color: Black, Gray, Maximum operating distance: 984.3" (25 m). Sensitivity: -89 dB, Magnet type: Neodymium, Frequency range: 100 - 20000 Hz. Microphone frequency: 150 - 7500 Hz. Connectivity technology: Wired & Wireless, Interface: USB/Bluetooth, Bluetooth profiles: A2DP, AVRCP, DI, HFP, HSP. Power source type: USB, Battery, Battery technology: Lithium Polymer (LiPo), Battery capacity: 1110 mAh

EPOS EDU 12 USB. Product type: Headset. Connectivity technology: Wired. Recommended usage: Education. Headphone frequency: 42 - 17000 Hz. Noise-canceling. Cable length: 78.7" (2 m). Weight: 2.96 oz (84 g). Product color: Black

EPOS | SENNHEISER IMPACT SC 665. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 50 - 18000 Hz. Cable length: 54.5" (1.39 m). Weight: 3 oz (85 g). Product color: Black, Silver