Put on your headphones and block out irritating outside noise. Active Noise Cancellation (ANC) technology reflects unwanted sounds, making them inaudible to the human ear. Enjoy distraction-free audio entertainment or relaxing silence. You can also activate the ANC function without turning on the volume.#13#10#13#10#13#10#13#10The long-lasting battery of the BTH-700 on-ear Bluetooth headphones allows the device to operate for up to 11 hours. The adjustable silicone headband and comfortable earcups ensure comfortable wearing. The headphones fold in two directions – inwards and flat – making them easier to store and carry.#13#10#13#10#13#10#13#10Intuitive buttons ensure convenient and efficient control. The built-in microphone allows you to make and receive phone calls. You can answer and end calls directly from the headphones' panel, without having to take out your phone.