Features - Portable Bluetooth Speaker,built-in bluetooth 5.0 wireless transmission, working distance up to 10 meters. - Compatible with all Bluetooth devices such as smart phones, tablet PCs, iPOD ... - Support TF Card music playback. - Support FM radio, FM channel automatically - The Boom Box Support LED lights+Digital Display+Intelligent Remote Control - The Bluetooth Boombox can match the personal computer, MP3,MP4, and is equipped with 3.5mm stereo audio output interface of the mobile phone and other audio equipment. Specification Product type: B100 bluetooth speakers Output Power: 15W*2 Speaker unit: 3"x2 Frequency Response: 100Hz-18KHz Input Impedance: 10kohm Input Voltage: DC 5V Control: Volume/BT/Remote Control/USB/TF Size: 386.5X148X172mm Charging Time: about 4hour Playing Time: about 3-8 hours (depends on playing volume) Battery Capacity: 4000Mah Product color: Black Function: MP3 music player, FM radio, TF Card, Line in, USB music playback, Remote control Suit for: Computer/MP3/MP4/Mobile Phone/for iPOD Package list 1 x Bluetooth speaker 1 x Remote control 1 x USB cable 1 x User manual 1 x Retail box