Enjoy sensational sound wherever you may go when you power on this Skullcandy Ounce speaker. This device utilizes Bluetooth technology for wireless enjoyment. Other features of this speaker include 16 hours of playback time with an IPX7 waterproof rating. It measures 2" x 4.4" x 3.2" for a compact size that can easily come with you. Add your own logo or business name to this Skullcandy speaker as a great promotional item that your customers will love using.