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- Stereo – Black – USB type A – wired – 20 Hz – 20 khz – over-the-head – binaural – supra-aural – noise Cancelling microphone
- Available in monaural (C3210/C3215) or Hi-Fi stereo with passive noise reduction (C3220/C3225)
- Variants include universal USB or usb-c
- Connectivity technology: wired
- Minimum frequency response: 20 Hz
- Maximum frequency response: 20 khz
- Earpiece type: binaural
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ThinkPad Universal Thunderbolt 4 Dock Max Number of External Monitors 4 Output Power Max 100 W 1* 3.5 mm Audio combo Jack 1* Thunderbolt Port – for Host connect 1* Thunderbolt Port – for Device connect 4* USB-A 1*USB-C 1* HDMI 2.1 2* DP 1.4 1* Gigabit Ethernet Includes 135W adapter, 1x power cord, standard Thunderbolt cable