Keep conversations private Your conversations are private with DECT™ Security Step C, FIPS 140-2 military-grade features, and 256-bit AES encryption. You can be sure your conversations are clear thanks to a noise-canceling microphone boom with acoustic fence technology. Wireless freedom With 2x better density than other DECT™ headsets, more people in shared spaces benefit from wireless headsets with clear, interference-free audio. And with a roaming range of up to 590 ft/180 m everyone can benefit from increased productivity. Increased productivity With 3-way connectivity, a universal base, and easy set-up and pairing, the Savi 7400 office series is the perfect solution for the modern office. You can even conference four headsets together with the base for increased productivity. 3-way connectivity Manage all your calls with a compatible single base that offers 3-way connectivity – computer, desk phone and mobile. Crystal-clear calls Keep your conversations clear with a noise-canceling microphone with Acoustic Fence technology to reduce background noise. Privacy is ensured Designed to meet the highest-level DECT™ Security Step C enhanced with military-grade FIPS 140-2 listed features, such as 256-bit AES encryption. Remote management Stay in control with remote device management for settings, firmware, and security updates. Training made easy Make training and collaboration easy with the ability to conference up to 4 headsets onto a single base. Communications platforms An IT manager's dream, this headset was created for communication and is optimized and certified to work with top virtual meeting providers. Color Black Charge time 2 hours Battery life Up to 13 hours (talk time); Up to 52 hours (standby time) Battery type Rechargeable Li-ion polymer Wireless range Up to 180 m in open area; Up to 55 m in typical office environment Bluetooth version 5.2 Supported bluetooth profiles A2DP; HFP; HSP Button user controls Power on/off; Call answer/end; Mute; Volume +/- Base controls Scroll wheel; Back key; USB softphone line button; Bluetooth® line button; Telephone interface line button; Configurable button Speaker bandwidth 20 Hz to 20 kHZ (media mode); 100 Hz to 6.8 kHZ (wideband mode) Ear cushions Artificial leather (surface material) Security AES 256 bits encryption; DECT™ security certified; AES 128 bits authentication Compatible Operating Systems Windows 11; Windows 10; macOS; Android™; iOS Acoustic protection technology SoundGuard 1 Package dimensions (W x D x H) 190 x 210 x 55 mm Weight 160 g Package weight 300 g Minimum System Requirements USB Type-A port (PC); USB Type-C® port (PC); Bluetooth® (mobile phone); EHS interface (desk phone) What's in the box Wireless headset; USB Type-A cable; USB Type-C® cable; Office base; AC power adapter; Charging cradle; Telephone interface cable (TIC) Manufacturer Warranty Poly standard two-year limited warranty