Portable Mini Speaker Wireless Column Subwoofer TG speaker TG185 Portable Speaker Wireless Mini Column Subwoofer BoomBox 3D Stereo Music for Computer with TF FM AUX door speaker. Features: -International advanced wireless chip and circuit design techniques, support all wireless devices. With FM function, can search radio station broadcast automatically. -With HI-FI speaker, to make sure the clear and bright sound. Support Micro SD card and USB card , play MP3 format audio. -The wireless working distance is 10 meters. It will close automatically after 30 minutes if disconnect wireless -Support TWS. Support micro SD and USB card ,play MP3 format audio. Specifications: -Outpower power : 5W -Built-in voltage : 3.7V -Charging Voltage :5V/0.5A What's in the box: 1 X Portable Mini Speaker Wireless Column Subwoofer 1 X Charging line 1 X Manual