Poly Blackwire C3220 Wired Black Headset | 209749-201 X3291HS Presenters will stay clear of

Presenters will stay clear of the projector beam

share with USB A Input) Others Power Supply Voltage Power adaptor: Input: 100~240V

Palm Erase Automatic palm erasing function allows teachers and students to simplify the white board experience with smooth writing and erasing

Scan Inversion Operation Temperature 0 °C to 40 °C Operation Humidity 10 % to 80 % Power Supply AC 100-240V~

Poly Blackwire C3220 Wired Black Headset | 209749-201 X3291HS Presenters will stay clear ofDescription Specifications Downloads Warranty Poly Blackwire C3220 Wired Black Headset Features Available in monaural (C3210 C3215) or hi fi stereo with passive noise reduction (C3220 C3225) Variants include universal USB or USB C Connectivity to smartphone and tablet via 3. 5 mm (C3215 C3225) Intuitive inline controls to answer end calls, control volume, and mute PC wideband audio with noise canceling microphones for high quality PC