Portable bluetooth player#13#10- Controlled via smartphone or built-in buttons#13#10- Bluetooth 4.2 L2CAP / A2DP compatible#13#10- 20W RMS power#13#10- operating time 6-12h#13#10- 2 speakers 4" + 2 passive speakers 4"#13#10- Modes: bluetooth, FM radio, pendrive, microSD card, AUX, phone calls#13#10- 3600mAh Li-Ion rechargeable battery (charged via micro USB)#13#10- frequency response 22Hz-18kHz#13#10- 8 multimedia buttons#13#10- has an on/off switch#13#10- Bass and treble adjustment (bass, treble)#13#10- LED display#13#10- FM radio#13#10- Slot for microSD card, from which mp3 files can be played#13#10- USB port to which you can connect a USB flash drive with MP3#13#10- AUX (from external audio source via 3.5mm mini jack cable)#13#10- USB(M)->microUSB(M) cable and 3.5mm mini jack (M/M) cable included#13#10- Dimensions: 400 x 156.5 x 197mm