Portable Wireless Buletooth Speaker Outdoor Multi-functionSurround sound box HIFI Stereo TF Card FM Loudspeaker?Feature:?1.Stylish appearence,on the road to bring you endless enjoyment2.Bluetooth wireless link function,lifting shackles of cable3.Speaker phone function,a key realization of calls4. It supports most Bluetooth cell phones, PDA,tablet PC, iPad, Mac Air, MP3 Players, PC,laptop and any other devices with Bluetooth function5. You can use it at home,office,car etc.Specification:Main features: Bluetooth, TF card, USB, FMProduct Material: ABS plastic, rubber oilBlue tooth specification: bluetooth4.2Amplifier Specifications: 3WBattery specifications: 400 mAProduct Size: 120 * 80 * 35mmHow to use mode Key(switch to Bluetooth / USB / TF Card / line input)-Key: previous song (short press) / volume down (long press)+Key: next song (short press) / volume up (long press)>Key: pause / play / double press to answer the callLong press to cancel Bluetooth pairingPress the M key to switch to FM, and tap the> key for 1-2 seconds to search for the radio station automatically.Package Included:1*Bluetooth Speakers1*USB CableNotes:Due to the difference between different monitors, the pictures may not reflect the actual color of the item.Compare the detail sizes with yours, please allow 1-2cm error, due to manual measurement.