Bluetake BW101

Overview
This device is presumed to be a CC&C WL-1202 based on its appearance and chipset.

Additional specs., per Bluetake's product page, follow...
 * Tx Power: +17 dBm
 * Dimensions: Dimensions::77.5 mm x 27 mm x 10.5 mm
 * Weight: Weight::19 g

Links of Interest
Bluetake's driver for the device (via archive.org)

Product page (also via archive.org)