From the manufacturer
10 watts RMS Stereo Output with excellent bass and treble notes. Dynamic Sound Effect with Crystal Clear Sound Playback.
Beautifully crafted soft touch plastic materials. Stylish appearance, For a true wireless stereo (TWS) effect you can now connect 2 x BT72 speakers to each other via bluetooth and have a truly amazing stereo experience.
This speaker has a 10 Meters operating Range & a Rechargeable 1200mAh Battery for 4-5 hours of playback time on a full charge.
Bluetooth Version: 4.2+ EDR. Charging Time: Up to 2 hours., Playback Time: Up to 5 Hours, Net weight:420g. Box contents: 1 x Speaker, 1 x Charging Cable,1 x AUX Cable,1 x User Manual.