Stream music from your smartphone, tablet, or any Bluetooth enabled device.. Integrated buttons allow you to answer calls through the speaker, adjust volume, skip music tracks or take a call mid-playlist with built in microphone. LED indicator for battery level and Bluetooth pairing. Charging time: approximately 1 hours. Playback time: approximately 6 hours. Support for micro TF card. Built-in lithium battery can be charged with the included micro USB cable (300mAh). Bluetooth operating distance of up to 30 feet. Max power: 3 watts. Gift box dimensions: 3.5L 3H 2.7W. Bluetooth: QDID: 79808