Mono Wireless Headset, Speaker frequency range : 40Hz-16kHz, Speaker Max output power : <118 dBSPL(A), Speaker size : Ø 28 x 3.9mm, Dual Microphone - ECM Uni-Directional and Analog MEMS system, DECT wireless

Bluetooth Headset Mono, Wireless Technology DECT 1.8, Up to 8 hours talk time, Headband wearing style

Speaker Portable, Bluetooth Wireless, USB, Jabra PC Suite, Wideband Audio/HD Voice, Digital Signal Processing, Rechargeable battery, Unified Communications

Speaker Portable, Bluetooth Wireless, USB, Jabra PC Suite, Wideband Audio/HD Voice, Digital Signal Processing, Rechargeable battery, Microsoft Skype for Business

Headset, Stereo, Passive Noise Cancellation, Busy Light, Discreet Boom Art, Jabra Intelligent Call Transfer, 3.5mm Jack

Bluetooth Headset Mono, Wireless Technology, Up to 120 meters, Talk up to 8 hours, Crystal Clear Sound, HD Voice, Noise Canceling Microphone, Microsoft Skype for Business

Stereo Wireless Headset, Speaker frequency range : 40Hz-16kHz, Speaker Max output power : <118 dBSPL(A), Speaker size : 2pcs Ø 28 x 3.9mm, Dual Microphone - ECM Uni-Directional and Analog MEMS system, DECT wireless

Mono Wireless Headset, Speaker frequency range : 40Hz-16kHz, Speaker Max output power : <118 dBSPL(A), Speaker size : Ø 28 x 3.9mm, Dual Microphone - ECM Uni-Directional and Analog MEMS system, DECT wireless