Poly Plantronics Voyager 4200 UC Series Bluetooth Headset B4220 USB-A - Supra-aural - Binaural - 3000cm Wireless

- flexible microphone boom

- on-call indicator

- Up to 12 hours talk time and 15 hours listen time

- Up to 13 days standby time

- SPEAKER SENSITIVITY : Optimized for telecommunications, music/media

- BATTERY TYPE : Rechargeable, non-replaceable lithium ion polymer

- 1.5 hours for full charge

- HEARING PROTECTION : SoundGuard DIGITAL: Sound leveling for listening comfort and acoustic limiting for protection against sounds above 118 dBA

- CALL CONTROLS : Call answer/ignore/end, redial, mute, volume + /-

- MEDIA CONTROLS : Track forward/track back/pause/play

- APPLICATIONS SUPPORTED : Plantronics Hub* desktop version is available for Windows/Mac, mobile version offered on Android and iOS, Plantronics Manager Pro* suites: Asset Management & Adoption, Call Quality & Analytics, Health & Safety Amazon Alexa (easy access) Tile (lost headset location)

- SOFTPHONE COMPATIBILITY : Built for UC applications and softphones from Avaya, Cisco, Microsoft and more.

- 2 YEAR WARRANTY

Weight (Approximate): 150 g
Form Factor : Supra-aural

Earpiece Design : Over-the-head
Earpiece Type : Binaural
Driver Size : 3.2 cm

Microphone Technology  : MEMS Technology / Uni-directional / Noise Cancelling
Microphone Design : Boom

Technical Information
Impedance : 32 Ohm
Sound Mode : Stereo
Sound Pressure Level : 94 dB
Connectivity Technology : Wireless
Wireless Technology : Bluetooth
Minimum Frequency Response : 20 Hz
Maximum Frequency Response ; 20 kHz
Wireless Operating Distance : 3000 cm / 3m