Word gets around about your next promotional event when you offer this wireless speaker as a gift! The Addi Bluetooth speaker is a metal speaker with controls for adjusting volume; playing, pausing and skipping songs; and accepting, rejecting and redialing phone calls. With a built-in microphone and LED status indicator, the speaker is compatible with audio devices that have a 3.5 mm audio jack and Bluetooth technology. Oxidization is included on the satin silver speaker, and you can add your company name or logo using our custom imprint options for blaring brand exposure for your business! Note: Spectech-sound products have a one-year limited warranty on electronic parts from date of purchase.