The Altec Lansing True Air Earphones are lighter than air and are perfect for on the go use! These earphones are designed with comfort in mind, with 3 sizes of custom fit ear tips and a lightweight charging case. With up to 5 hours of battery life and a portable carry case delivering 3 extra charges, you will never be left hanging without your favorite song. 'Just Ask' allows you to access Siri or Google Voice Assistant via Bluetooth on your smartphone through your earphones for quick answering to all your needs!