The bluetooth smart speaker support mainstream audio file audio decode play.<br><br><strong>Features:?</strong><br>When coming a phone call, pause the music.<br>Connect the mobile speaker to the headphone jack on the portable audio device.<br>Power on the speaker.<br>Play the music on the portable audio device.<br>Only for 3.5mm jack devices.<br>Adjust the volume on the portable audio device.<br>It has high quality sound, enjoy your life.<br><br><strong>Specifications:</strong><br>Brand: BESTOK?<br>Model: BV900<br>Material: ABS<br>Color: Rose, Green (Optional)<br>Battery: 250mAh<br>Jack: 3.5mm?<br>Item size: Approx. 6 * 4 * 3.5cm / 2.4 * 1.6 * 1.4in<br>Item weight: Approx. 39g / 1.37oz<br>Package size: Approx. 14 * 7 * 5cm / 5.5 * 2.8 * 1.97in<br>Package weight: Approx. 93g / 3.28oz<br><br><strong>Package including:?</strong><br>1 * BESTOK speaker?<br>1 * USB Cable<br>1 * User manual (English)