Evolve 40 has world-class speakers that are built for both voice and music The Evolve 40 has Passive Noise-Cancellation PC MAC Compatible Connect using USB or 3.5 mm jack IMPORTANT: Please limit your cart to 1pc of JABRA EVOLVE 40 MS Stereo USB or 3.5mm Headset per checkout. Do not include any other items from the same seller in the same cart. The courier has a limit on the dimension of the item to support Shopee's Delivery Promo. Any order that exceeds the limit of the courier will be canceled. Shipping Fees may apply for select locations. Check the Shopee Help section for more info. #jabra #evolve40MS #noise-cancelling #headset #usb