Razer Hammerhead True Wireless Pro Bluetooth Gaming Earbuds, Classic Black & TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows 10/8.1/8/7/XP

Features

• Product 1: Advanced Hybrid Active Noise Cancellation (ANC): By producing anti-noise to counter any noise it detects from outside and inside your earbuds, our cutting-edge design is able to shut out all distractions and keep you focused on what matters.
• Product 1: THX Certified Earbuds: Tested and optimized by experts in cinematic audio immersion at THX Ltd., the earbuds present a rich, balanced soundstage for all your movies, music and gaming.
• Product 1: In-Ear Design: Get a comfortable, secure, in-ear fit and enhanced noise isolation with Comply foam tips. For even more customized levels of comfort or acoustic options, take your pick from 6 additional silicon tips sizes.
• Product 1: 60ms Low Latency Connection: Activate Gaming Mode to boost the earbuds’ wireless performance during competitive games and be quicker to aim or react with audio and video that’s more in sync.
• Product 2: NOTE: The item is compatible with windows 10/8.1/8/7/XP. However, on the box there is limited space so the manufacturer do not list all of the versions and just list the most recent versions of windows