B2 Power Wireless Headphones. Experience high-quality sound and advanced functionality with these wireless headphones from Audioengine. With the latest Bluetooth technology, you can connect to your device with ease. The adjustable headband and detachable cable ensure a comfortable fit, while the built-in microphone allows for easy communication. The headphones come in a sleek chrome metallic leather and black color scheme, making them a stylish accessory to any outfit. The B2 Power Wireless Headphones with Stereo Sound and Built-In Mic are brand new and come in the original packaging, ready for use with any device that has Bluetooth, USB, 3.5mm Jack, or Micro-USB connectivity.