The Pyle Wireless Hearing Amplifier & Listening Headset provides quality impaired hearing assistance. It works anywhere, use it at home or wear it outdoors to the office, library or movie theater. Superior quality audio is made possible with the built-in 2.4GHz wireless noise-cancelling and voice clarifying circuitry. ASC (Automatic Signal Control) technology regulates sound waves for a smoother and more comfortable listening experience. Built-in rechargeable battery allows you to charge the headset with the included docking station. You will also have the ability to connect to external devices like your telephone, TV, computer and more. Additional features include built-in microphone, audio (3.5mm) input connector, volume adjustment and includes a clip-on microphone extension cable with replacement earbuds. Enjoy convenient wireless hearing audio amplification with the Pyle PHPHA76 Wireless Hearing & Listening Headset.