The Microlab MD212 Bluetooth Wireless Portable Speaker works with any tablet, smartphone, laptop or other device with a 3.5mm stereo input. Its built-in wireless technology uses the 2.1 + EDR, hFP, A2DP profiles. These portable stereo speakers include a digital processor for distortion-free sound. There are 2 x 1 alloy coating drivers that deliver rich and clear output as well. For its power, these red Bluetooth speakers can use either a USB cable on the micro protocol or the rechargeable lithium battery. The maximum output power is 2W RMS, and the device has a frequency range of 150Hz to 20kHz with a less than 75dB signal/noise ratio.
