Speaker with bluetooth transmission and microphone. The speaker has 3W, 10m bluetooth 4'0 transmission, 500mAh battery capacity, 2-3 hours charging time. Up to 8 hours autonomy, built-in microphone for phone and conference calls, start button/stop directly on speaker, FM radio capability. This product is compatible with all devices with bluetooth transmission connectivity. Includes 5V USB/DC cable/Jack. Supplied in gift box. ø60 x 50 mm | Box: 97 x 87 x 95 mm