Bluetooth profiles: HSP，HFP，A2DP，AND AVRCP<br />Bluetooth operating distance:10 meters<br />Frequency range: 2.4-2.8GHz<br />Frequency response:100Hz-20kHz<br />Working time:Music time 6 hours，talk time 10 hours.<br />Charging input power: for DC 5V<br />Charging time :Approx 3 hours<br />Note: Battery life and charging time may vary ，based on usage and types of devices used.<br /><br />Package Included:<br />1x Bluetooth Speaker<br />1x USB Cable<br />1x pothook (as you see in the item picture)<br />