As per part number "213934-01" it is not having 3.5 jack as per plantronics website. Why connector type mentioned as 3.5mm ?

Hello! Yes, the specs provided by the retailer are incorrect. The Blackwire 3320 does not provide a 3.5mm connection besides the USB end. The Blackwire 3325 is the one that allows you to unplug the cable from the inline controller to use the 3.5mm connection. This information needs to be corrected by the reseller. If you have any further questions related to our products, please don't hesitate to contact our Customer Care Team at: 800-985-9815.

How long is the cable?

Hi! The cable is 7 ft long. If you have any further questions, feel free to contact our Customer Care Team at: 800-985-9815.

What is the difference between 5220 and 3225?

Hello! thank you for reaching out. Both models are very similar in wearing style and features, however, the Blackwire 5220 has better construction quality. Both models have a receive frequency of 20 HZ–20 KHZ. The Blackwire 5220 microphone has a frequency response of 100 Hz– 8 kHz and the Blackwire 3225 a frequency of 100 Hz–10 kHz. Please don't hesitate to contact our Customer Care Team at 800-985-9815 if you require assistance or have further questions.

Not sure what connector(s) this (c3320) model has? the description reads:the connector type 3.5 mm. what about usb-a? i need usb-a

Hi! The name of the product indicates this model has a USB-A connection. Please note this particular version does not have the additional connection for 3.5mm as other models do like the BW3325 or the BW3315. If you have any further questions, please don't hesitate to contact our Customer Care Team at: 800-985-9815.

Noise Control	Active Noise Cancellation
Headphones Jack	USB
Model Name	213934-01
Connectivity Technology	Wired
Wireless Communication Technology	Bluetooth
Included Components	Headset
Age Range (Description)	Adult
Material	Plastic
Specific Uses For Product	Business
Compatible Devices	Desktops, Laptops, Tablets
Control Type	Call Control
Cable Feature	Retractable
Item Weight	130 Grams
Net Quantity	1 Set
Style	Over Ear
Control Method	Touch
Number of Items	1
Cable Length	7 Feet
Audio Driver Type	Dynamic Driver
Earpiece Shape	Circle
Series number	3300
Hardware Interface	USB
UPC	017229167667 017229173644 197029480378
Input Device Interface	USB
Noise Control Features	passive_noise_isolation, active_noise_cancellation
Supports Bluetooth Technology	No
Special Feature	Microphone Included
Manufacturer	345 Encinal St, Santa Cruz, CA 95060, Plantronics
Model	213934-01
Model Year	2020
Item model number	213934-01
Hardware Platform	PC, Smartphone
Special Features	Microphone Included
Microphone format	Boom
Batteries Included	No
Batteries Required	No
Cable feature	Retractable
Device interface - primary	Microphone
Does it contain liquid?	No
Includes Rechargeable Battery	No
Manufacturer	Plantronics
Item Weight	130 g

by Plantronics - Blackwire 3320 USB-A - Wired Over Ear, Dual-Ear (Stereo) Headphones with mic - USB-A to Connect to Your PC, Mac or Cell Phone - Works with Teams, Zoom

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