HP Poly Blackwire 3325 Microsoft Teams Certified USB-C Stereo Headset Black
Payment & Security
Your payment information is processed securely. We do not store card details nor do we have access to your card information.
- Product overview
- Specifications
- Reviews
The HP Poly Blackwire 3325 is a wired binaural headset designed for office and call centre environments. It features a head-band wearing style with supraaural ear coupling in a black finish.
Connectivity is provided via USB Type-C and a 3.5 mm connector. A USB Type-C to USB Type-A adapter is included for compatibility with additional devices. The headset is compatible with Windows 10, Windows 11, macOS, Android and iOS systems and is certified for Microsoft Teams.
Audio specifications include 32Ω impedance, 116 dB headphone sensitivity and 118 dB signal-to-noise ratio. The boom microphone is omnidirectional with a frequency response of 100 - 10000 Hz and sensitivity of -38 dB.
Integrated controls allow answer/end call, mute, volume up and volume down functions. The package includes a travel case, user guide and USB Type-C to USB Type-A adapter.
The headset measures 166 mm width, 39.5 mm depth and 199 mm height, with a weight of 131 g. Sustainability certification includes TCO.
topi IT Equipment Leasing & Device Rental for Businesses
HARDWARE LEASING FOR BUSINESS
Say goodbye to big capital expenditures, paperwork, and outdated equipment in drawers.
With topi you can rent IT equipment for your business on a monthly basis instead of buying outright. Choose your rental term, get brand-new devices delivered as normal from Tech Verse, and simply return, upgrade, or purchase at the end of your term.
Your benefits at a glance
Lower costs over the full term
Residual value is factored into your monthly payments, so you pay less than a straight purchase over the same period.
Free up your budget
Convenient monthly payments preserve your cash flow and keep capital working in your business.
100% tax-deductible OpEx
Rental payments are classified as operating expenses — fully deductible against your business tax bill.
No hidden costs
Full transparency on pricing. Manage your IT budget with confidence — no surprises at the end of your term.
Fast, secure checkout
Register with topi in just a few clicks. Automated business credit check — most decisions are instant.
Always up to date
Regular IT upgrades with brand-new equipment. No more outdated devices cluttering your office drawers.
B2B only- fully protected
topi carries all financial risk. Available to UK-registered businesses only. You are always paid in full regardless of the customer's payment behaviour.
Good for the environment
Returned devices pass into the circular economy — reducing electronic waste and supporting sustainability.
Your benefits at a glance
Renting is the new buying. Protect your liquidity, save money and effort, and keep your IT up to date.

Choose your equipment
Browse Tech Verse and click "Add to lease" on any eligible product. Your quote builds up as you shop.

Review your quote
Come back to this page to review, adjust quantities, or share the quote with a colleague for approval.

Rent with topi
Select your rental term per item, register with topi in a few clicks, and complete your agreement.

Receive your products
Your hardware ships as normal from Tech Verse. topi handles all the financial details in the background.
Ready to start your rental quote?
Browse our range and click "Add to lease" on any eligible product.
Frequently asked questions

Spread the cost of orders up to £30,000 with iwocaPay
We accept iwocaPay to give business customers more control when it comes to paying. iwocaPay is available for UK Limited Businesses and LLPs on orders of £150 to £30,000.
We use iwocaPay to provide our business customers with an approved spending limit up to £30,000. You can use as much or as little of it as you like. It only takes a few minutes and won't affect your credit score. If you're approved you'll be able to spread the cost on all your orders up to your spending limit.
You'll get redirected to the iwocaPay to complete signup. If you need a hand or get stuck give iwocaPay a call on 02037780549.

How it works

Apply for a limit
Takes a few minutes online and doesn't affect your credit score.

Get approved
If approved, your available spending limit is confirmed immediately.

Pay your way
Select iwocaPay at checkout.