Bluetooth standard v2.1+edr. Integrated switched-mode regulator. Integrated battery charger. Embedded kalimba dsp co-processor. Integrated 16-bit stereo audio codec 95db snr for dac. Enhanced audibility and noise cancellation. Integrated with 8m bits flash memory. Support host interface: usb or uart. Support digital audio bus : pcm, i2s or spdif. Hsp/hfp/a2dp/avrcp profiles support. Rohs compliant. Small outline. 21 x 16 x 2 mm.
