Gsou U150 Bluetooth Speaker Ultra Portable Wireless Full 360 Degree Sound Built in Speakerphone for iPhone iPad and smart phones (Black) Build-in noise cancellation digital mic to ensure clear phone call. Line in port and cable for use with non Bluetooth devices. Easier to be placed into your cup holder for in car use. Intelligent Voice Prompt.Auto sleep for energy saving. Display the battery usage information of the speaker on your iphone, iTouch, iPad after pairing with the speaker.