Bluetooth Wireless Speakers Waterproof Stereo Column Portable Speaker with Mic FM Radio MP3 Bass Sound Box product description： Product feature: 1.The wireless working distance is 10 meters . 2.With Hi-Fi speaker, tomake sure the clear andbright sound. 3.With FM function, can search radio station broadcast automatically 4. Support Micro sD card and USB card, play MP3 format audio. 5.With AUX linein, can directly connect theoutside devices, for example, tablet PC/TVIcell phones. 6.International advanced cable for pcBT chip and circuit design techniques,support all wireless devices. 7.Under the BTdisconnection mode, device will be autopower-off within half hour. Specifications: Bluetooth version： 4.2 Working time: 3-4hours Bluetooth working range： 10Meters Audio frequency noise ratio：>= 90dB Battery capacity： 1200mAh Built-in voltage： 3.7V Playback long： 3-4H Horn size： 45mm*2 Omega： 5W*2 Charge input： 5V/500ma Single machine weight： 405G Product Size: 75*75*161mm Advantage: 1. Rainproof, anti-dust, drop resistant; 2. Super bass, music/call switching is so easy. 3. Subwoofer and Loud volume, No noise, Bass shocking. 4.Bluetoot connection, AUX connection 5.Support SD/TF card music play, support USB disk play, support AUX play. 6. wireless bluetooth connection and Compatible with many electronic devices: such as windows, airpod, phone, iphone and so on. Packaging List: 1*bluetooth speaker 1*Aux audio cable 1*USB charge Cable