Poly's Voyager B4220 Office Duo Wireless Headset, 1 Way Base

Power up productivity for office workers with Voyager 4200 Office Bluetooth wireless headsets. Roaming range is generous, and vibrant sound is a given. Users can choose from two comfortable over-the-head styles. Stereo is ideal for listening to media and making every conversation sound like it’s face-to-face. Your teams can count on superior Poly audio clarity—and comfort, thanks to soft ear cushions and an over-the-head headband. Plus, there’s outstanding noise canceling and dual microphones to help block out nearby talkers.

•Users can connect to either their desk phone or smart phone.

•Speaker range, telecommunications - 100 Hz - 6.8 kHz
•Speaker range, music/media - 20 Hz - 20 kHz
•Speaker impedance - 32 ohm
•Speaker size - 32 mm
•Battery capacity - 360 mAh typical/350 mAh minimum
•Battery type - Rechargeable, non-replaceable lithium ion polymer
•Charge time - 1.5 hours for full charge
•Microphone and technology - Noise canceling with two microphones: one uni-directional; 1 MEMS-directional
•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
•Alerts - Enhanced voice alerts announce remaining talk-time, mute and connection status
•Up to 12 hours talk time and 15 hours listen time
•Up to 13 days standby time
•Roaming range - Up to 91 m/300 ft Office models (line of sight)
•Headset Weight - 150 g
•Bluetooth technology - Bluetooth Version: Bluetooth 5.0 with BLE Bluetooth Profiles used: A2DP, AVRCP, HFP, HSP
•Amazon Alexa and Tile

Spec Sheet:	Download Here
Manual:	Download Here