User manual Jabra Engage 75 Mono (English - 50 pages)
Jabra Engage 75 Mono (monaural) 9556-583-111
Jabra Engage 55 Convertible DECT Wireless Headset
User manual Jabra Engage 75 (English - 50 pages)
Amazon.com: Jabra Engage 75 Wireless Headset, Convertible – Telephone Headset with Industry-Leading Wireless Performance, Advanced Noise-Cancelling Microphone, Call Center Headset with All Day Battery Life : Electronics