Mitel DECT Headset for MiVoice 6900 IP Series - Refurbished Category_Best4Systems/Conferencing/IP Conference Phones Audio features: Digital Signal Processing

Audio features: Digital Signal Processing (DSP) / Line filtering / Audio Streaming

48 keys of which 16 programmable keys

and other Yealink devices

Avaya IP 1603i

Mitel DECT Headset for MiVoice 6900 IP Series - Refurbished Category_Best4Systems/Conferencing/IP Conference Phones Audio features: Digital Signal ProcessingCompatible Phones: Mitel MiVoice 6930 IP Phone Mitel MiVoice 6940 IP Phone Please Note: This headset is not compatible with the 6920 phone Features: Range Up to 300 feet (100 meters) DECT Operating at 1. 9GHz Frequency Bands 1880 1900 MHz Lithium polymer battery Charge time: 3 hours Talk time: 8 hours Stand by time: 43 hours