Ubon BT-1720 is the next generation wireless speaker in the award-winning series. It is a comprehensive portable Bluetooth speaker with wireless charging sensor that delivers surprisingly powerful charging, and room-filling stereo sound everywhere. It takes the entertainment quotient higher with its effective audio output which comes at an affordable price range. This speaker is designed with minimalistic approach to size and is easily portable. You can carry it to family picnics, beach parties, sports or to your evening walks for keeping yourself entertained. Ubon wireless speaker is powered by a 1800mAh rechargeable Li-ion battery that offers up to 4 to 6 hours of continuous playtime. Ubon Wireless speakers is the all-purpose, all-weather companion that integrates music into every aspect of your life - from tabletop to poolside, from sunny mornings to rainy nights. It also features a built-in noise and echo cancelling speakerphone for crystal clear conference calls, It allows you to take calls conveniently and UBON Connect technology that can wirelessly link multiple UBON Connect-enabled speakers together to amplify the listening experience. This multi functionality makes this wireless speaker a great value for money product. WIRELESS CHARGING SENSOR SUPPORTED DEVICES - : I-phone 8 , I-phone -X, Nokia 6.1 ,Samsung Galaxy Note 9, Samsung Galaxy S9 Plus ,Samsung Galaxy S7 Edge , Samsung Galaxy S8 , Samsung Galaxy Note 8 ,Samsung Galaxy S8 Plus , Samsung Galaxy S7 etc. Note all devices which support wireless charging.