UHappy UT6 Wireless Bluetooth Speaker BT 3.0 Battery 4000mAh Power Bank With Daul Speakers<br>  Features:   Portable， hanging portable design Bluetooth wireless audio transmission With phone handsfree Computer small speakers Car bluetooth FM radio Card speakers POWER BANK  <br>   <br> Specification:                 Model         UHappy UT6               Bluetooth version         V3.0               Bluetooth transmission power         CLASS2-4dBm               Bluetooth working frequency         2.4GHz               Charging voltage         DC5V \/ 500mA               Working voltage         DC 3.7V               Battery capacity         4000MA               Music playing time         15H               Talking time         40H               THD         &amp;le; 0.1%               Signal to Noise Ratio         &amp;ge;90 db               Speaker parameter         4&amp;Omega;3W \u044440MM，Two speakers               Bluetooth range         10-20m               Product size         165 * 60 * 35mm               Net weight         263g      <br>Package Included: <br>1 x UHappy UT6 Power Bank Speaker1 x Audio Cable1 x USB Cable1 x Manual<br>Detail Pictures: