Feacture:- Portable Bluetooth Speaker,built-in bluetooth 4.2 wireless transmission, working distance up to 10 meters.- Compatible with all Bluetooth devices such as smart phones, tablet PCs, iPOD ...- Support TF Card and USB flash disk music playback.- Support FM radio, FM channel automatically.- Support Digital Display+Intelligent Remote Control.- 11W Big powerful speaker with LED light.- Support 3 louderspeakers, big power 11W, heavy bass guide tube design.- Support Phone Holder fuction- Support Recording and Recording repeat.- 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.Specifications:Product type: TOPROAD S37bluetooth speakerSpeakers: 5W+3w x 2Speaker unit: 3"+2"x2Frequency Response: 80Hz-18KHzInput Impedance: 10kohmInput Voltage: DC 5VControl: Volume/BT/Remote Control/USB/TFSize: 200*130*170mmCharging Time: about 3hoursPlaying Time: about 6 hours (normal volumn)Speaker Battery Capacity: 2000MahProduct color: BlackFunction: MP3 music player, FM radio, TF Card, Line in, USB music playback, Remote controlSuit for: Computer/MP3/MP4/Mobile Phone/for iPODPackage Content:1 x Bluetooth speaker1 x Remote control (Not include the battery)1 x AUX cable1 x USB cable1 x User manual1 x Retail box