HP Poly Savi 7420 Office Stereo DECT 1880-1900 MHz Headset

Color Black Charge time <2 hours Charging type 3-way base Battery life Up to 13 hours (talk time); Up to 52 hours (standby time) Battery type Rechargeable Li-ion polymer Bluetooth version Bluetooth® Core 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 Microphone type Noise cancelling Speaker bandwidth 20 Hz to 20 kHZ (media mode); 100 Hz to 6.8 kHZ (wideband mode) Microphone bandwidth 100 Hz to 10 kHz 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