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| Frequency | 20 Hz to 20 kHz | |
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| Others | USB Type-C Adapter Wireless Range: 29.9 m Capacity: 360 mAh Battery Chemistry: Lithium-Ion Polymer (LiPo) Recharge Time: 1.5 Hours Standby Time: 13 Days Talk Time: 12 Hours |
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| Warranty | Manufacturing Warranty 2 years |
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The Poly Voyager 4220 UC Headset with USB Type-C Adapter lets you listen to music or take voice calls without having to think about any wire entanglement issue. The Poly Voyager 4220 UC Headset features a two-cup stereo design style with a flexible noise-canceling powerful boom microphone. the Voyager 4220 headset comes with a USB Type-C Bluetooth adapter for connecting to your Mac or Windows PC. The headset is capable of providing you with up to 12 hours of talk time, 15 hours of listening time at a range of up to 30 meters. SoundGuard DIGITAL technology helps protect against sound levels above 118 dBA, while an anti-startle feature is designed to detect and eliminate a sudden increase in signal level during calls. Time-weighted average helps to prevent average daily noise exposure from exceeding 85 dBA. Choose the settings to customize your headset with Poly Hub, a free app for iPhone, Android, Windows, and Mac. Check remaining talk time, select your language preferences, change feature settings, and customize call and mute notifications. Keep your device up to date with Poly Hub over-the-air firmware updates. The Voyager 4220 is supported by Poly Manager Pro, a software utility that's sold separately. You can use Poly Manager Pro to manage headset inventory, monitor usage, and maintain devices. It has 2 years of warranty.
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