Retro Bluetooth Speaker Built in Mic Portable Wireless Speaker Supports Memory Card USB AUX MP3                       Feature:     1. Unique MDF resonance box, fully enclosed cavity, the sound is more pure and powerful. Classic wood grain appearance and retro style speakers to show the grade.      2. Full frequency dual speakers, high power subwoofer. High speed Bluetooth chip combined with high end antenna, 10m / 33ft efficient and stable transmission.      3.   The music is auto paused when the incoming call is made, and the call key is gently pressed to switch to the hands free call mode, you can chat freely without using a mobile phone.      4. Support memory card USB, AUX, MP3, plug and play, switch songs freely, and enjoy music more conveniently. It is very suited to play soft music, movies, etc.       5. Support 3.5mm standard cable access, no matter desktop, laptop, mobile phone, tablet, TV, or MP3 MP4 player, etc., can be played by wire.             Specification:                           Item Type: Bluetooth Speaker  Material: MDF  Frequency Range: 90Hz-20KHz  SNR: ≥60dB  Bluetooth Protocol: 4.2  Support: Memory Card, USB, AUX, MP3  Built in Polymer Lithium Battery: 1500mAh (included)                                  Package List:      1 x Speaker      1 x Cable      1 x Manual