USB Bluetooth Receiver, ANLENG USB Stereo Audio Music Speaker Adapter for Home Stereos Let ordinary speakers instantly become wireless bluetooth stereo audio speakers. Support USB and 3.5mm jack audio transmmit. Up to 10 meters working distance. Bluetooth version:V4.0 and support A2DP technology. Compatible with any car stereo speaker or portable speaker with 3.5mm audio socket or USB audio receive port.