Poly Sync 40 Desk Mount 507024 00223 and allows fast charging and DMC HDO and allows fast charging and data sharing via its front panel USB C port 8 cm Noise canceling Yes Noise canceling type Passive Noise reduction No HearThrough No Microphone Microphone type Boom Microphone frequency 20 10000 Hz Microphone sensitivity 38 dB Number of microphones 3 Microphone mute Yes Battery Replaceable battery No Fast charging No Music player FM radio No Operational conditions Operating temperature (T T) 10 55 °C Storage temperature (T T) 10 55 °C Weight & dimensions Width 193 mm Depth 175 mm Height 65 mm Weight 127 g Packaging data Package width 50 mm Package depth 170 mm Package height 202 mm Package height (imperial) 20 Sync 40 Desk Mount