With a universal mounting mechanism and water, sand, shock and snow-proof construction, this Altec Lansing Mini Life Jacket IMW577CG speaker lets you listen to music both indoors and outdoors. A Bluetooth interface lets you pair with select devices. Compatible with most Bluetooth-enabled devices including select Apple® and Android devices, tablets, laptops and desktops for wide-ranging use. On-board microphone lets you accept hands-free calls through the speaker. Voice confirmation simplifies operation. Built-in universal mounting mechanism allows you to attach the speaker to a wide variety of equipment and structures, such as bikes, kayaks, jet skis, motorcycles, tent poles and tennis and volleyball uprights. Auxiliary input lets you connect most devices with a headphone jack.