Jabra headset Pro9470. For hands free phone use. Bluetooth: yes. Cordless: yes. Frequency response: 6800 Hz. Suitable for: Portable electronics telephone computer. Type of headphones: ear head neck. Colour: Black.

Jabra Evolve 75 UC Stereo. Headset type: Binaural Wearing style: Head-band. Connectivity technology: Wired/Bluetooth. Wireless range: 30 m. Headphone frequency: 20 – 20000 Hz. Driver unit: 4 cm. Microphone frequency: 150 – 6800 Hz. Microphone direction type: Unidirectional. Talk time: 15 h Charging time: 2.5 h. Colour of product: Black Red.

Sennheiser SC 75 USB MS. Purpose: Call center/Office. Headset type: Binaural Wearing style: Head-band Colour of product: Black. Connectivity technology: Wired Cable length: 1.12 m. Ear coupling: Supraaural Headphone frequency: 60 – 16000 Hz Headphone sensitivity: 118 dB. Microphone frequency: 150 – 6800 Hz