Features 1.Powerful Sound and Wood Grain: 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.Stable in Use: Full frequency dual speakers high power subwoofer. High speed Bluetooth chip combined with high end antenna 10m / 33ft efficient and stable transmission. 3.Built in Mic: 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 Play Mode: 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.Wired Play: Support 3.5mm standard cable access no matter desktop laptop mobile phone tablet TV or 3 MP4 player etc. can be played by wire. Specification Item Type: BluetoothSpeakerMaterial: MDFFrequency Range: 90Hz-20KHzSNR: 60dBBluetooth Protocol: 4.2Support: Memory Card USB AUX MP3Built in Polymer Lithium Battery: 1500mAh (included) Package List 1 x Speaker1 x USB Cable1 x Manual