Poly 8L574AA Savi 7420 Office, S7420 -M,CD,MONO,MSFT,DECT,EMEA

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

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

• macOS; Windows

Acoustic protection technology

• Sound Guard Digital