Deeper Bass ; Oraimo Bass up technology is built into the speaker to extend the low end inject a hit of intense bass into every beat * Ultra Portable.Color: BlackBluetooth, TF Card, AUX Input, MicrophoneDeeper Bass, Ultra Portable, Simple ControlsDimensions: 84mm X 84mm X 53mmSales Package: SpeakerControls: Mode Switch(BT/TF/AUX), Volume Up & Down, Previous & Next Song, Play/Pause/Call ButtonBrand: OraimoType Of Product: SpeakerCapacity: 400mAh