Poly Sync 20+ -M USB-C Speakerphone

Poly Sync 20-M Speakerphone USB-C/A Adapter Battery life: Up to 20 hours (talk time) Battery: Rechargeable Li-ion Button User Controls: Power on/off Bluetooth® pairing Touch User Controls: Call/answer end Mute Volume +/- Programmable function button Microphone Type:Three-microphone steerable array: Microphone Bandwidth: 100 Hz to 7.3 kHz Speaker size: 40 mm Speaker bandwidth: 80 Hz to 20 kHz Wireless Range: Up to 30 m Connection Type: Wireless: Bluetooth®, USB Type-C® USB Type-C®/A adapter Cable length: 28.1 in Charge Time: