TSdrena Wireless Bluetooth 4.1 Headphones with Active Noise Cancelling Headphones Built in Microphone (White) AUD-BSHDP02WA Built-in noise-canceling capability that cuts out up to 85% of surrounding noise. This product supports Bluetooth 4.1 and is able to hold a wireless connection with low power consumption. apt-X enabled and capable of maintaining a connection with minimal delays and hardly any time lags. Can also be connected with a cable, using an AUX (3.5mm) audio cable. Foldable design, perfect for carrying around.