GMB Audio BT-soundbar - SPKBT-BAR400L

-Interface BT v.5.0, Handsfree profile (Built-in microphone).
-BT frequency range 2.402 GHz ? 2.480 GHz.
-Transmitting power < 5 mW.
-FM frequency band 87.5 - 108 MHz.
-Speakers 3 Ohm, 52 mm diameter.
-RMS power output 2 x 5 W.
-Frequency response 60Hz - 20KHz.
-S/N ratio >75 dB.
-Distortion rate 10%
-MicroSD card support up to 32 GB
-DC input MicroUSB, 5 V / 1 A (max.)
-Battery rechargeable 1200 mAh Li battery.
-Dimensions 395 x 65 x 69 mm
-Audio cable length 50 cm
-Charging cable length 50 cm.
-Net weight 615 g.