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Portable speaker ...

Portable Speaker (s): 2 channels
Basic specifications:
* Speaker unit: 1.5 "(4.6 cm) x 2 units
* Output: 2.4 W (1.2 W + 1.2 W)
* Frequency Range: 150 Hz ~ 20 kHz
* Sensitivity: 85 dB
MP3 Playback:
* Memory slot: SD card, USB memory
* Playable files: MP3, WMA
FM radio
Screen notation:
* Type: LCD
* Notation Information: frequency, plays information
Terminals: External Input (Aux), mini-USB
Power:
* Removable lithium-ion battery (900 mA)
* USB Charging:
And use time: about 4 hours
Color: White, Black
Dimensions (W x H x D): 23.5 x 6.7 x 4 cm
Weight: 0.3 kg