These over-ear headphones have a number of functions that will delight you: such as Hybrid Active Noise Cancelling and up to 60 hours of playtime. The clickable buttons and intuitive volume control wheel make them very easy to use - the button even provides quick access to ambient sound mode to keep an eye on your surroundings. Enjoy crystal clear phone calls thanks to the two ENC microphones and block out wind noise when you're listening outside thanks to wind noise cancellation. . Hybrid active noise cancellation is a type of ANC that uses both an outward-focused microphone and an inward-focused microphone to block out ambient noise. With this function, you can enjoy powerful noise cancelling with the Clam Ace headphones for silent listening in any situation. . With the Clam Ace, you can amplify ambient noise to stay aware of your surroundings, which is a nice function in traffic, in a café or any other situation where you don't want to be completely cut off from the world. By pressing and holding the button on the left earcup, you can quickly access this listening function. Ideal if you need to use the ambient noise mode quickly and at short notice. . These over-ear headphones use Bluetooth 5.3 to connect wirelessly to your device. This latest Bluetooth version ensures a longer battery life and better sound quality. The Clam Ace features a volume control wheel that allows you to easily adjust the volume while wearing the headphones without having to use your connected device. The intuitive button on the front of the earcup allows you to control playback and the different modes (ANC on, Ambient Sound Mode on, off). . The Clam Ace has two ambient noise cancelling microphones that ensure noise-free phone calls. When you're on the phone, the microphones focus on your voice and reduce ambient noise such as other voices or traffic to deliver clear sound to the person on the other end of the call.