?Specification:Brand Name: MOCREOModel Number: MOSOUND EchoesBluetooth Version: V2.1+EDRBluetooth Protocol: HFPV1.5｣ｬ A2DP1.2｣ｬ AVRCP1.0Operating Range: 10mPower: 5W (Max.)Microphone: YesDistortion: &amp;lt;0.5%Sensitivity: &amp;gt;70 dBFrequency Response: 20Hz-20KHzInput Voltage: DC 5V\/1ABilt-in Battery: 3.7V\/2200mAhDimensions: 160 x 137 x 196 mmWeight: 1065gMusic Time: 4 hoursCharging Time: 3.5-4 hoursColor: Black｣ｬ White.<br>Features:<br> 1. Line-in for connecting non-bluetooth devices. Features touch-sentitive switch.<br> 2. Speaker freely. Hands-free calling function with built-in microphone that allows you talk freely｣ｬ even while connected to bluetooth.<br> 3. Rich｣ｬ full｣ｬ and dynamic stereo sound. 4. Compatible with most bluetooth enabled tablets｣ｬ laptops｣ｬ MP3 players and smartphones with iOS or Android platforms.<br>  Package Included:1 X MOCREO Bluetooth Speaker1 X DC Charging Cable1 X Audio Cable1 X User Manual