The Active Noise Canceling Bluetooth Wireless over Ear Headphones by heyday? in black are the perfect choice for music lovers and those who need to make calls on the go. With up to 40 hours of battery life, you can enjoy uninterrupted listening for longer periods. The adjustable and cushioned headband ensures a comfortable fit, while the active noise cancellation technology blocks out unwanted background noise. These headphones are compatible with both Bluetooth and 3.5mm jack, giving you versatile connectivity options. The built-in microphone allows you to take calls without removing the headphones, and the 1-year warranty provides peace of mind. Let your style speak volumes with heyday?.