Product Name: Bluetooth Mini USB Audio Music Adapter Receiver for Home Car Stereo Model NO.: BR001 Format: MP3 Audio Output: Digital Audio Coaxial Voltage: 12/24V Certification: CE, RoHS Placement: Headrest Combination: Bluetooth-Enabled Type: Car Radio Trademark: OEM Transport Package: Blister Box Specification: 100 Pieces/CTN Box, Size: 40 cm x 30 cm x 25 cm Origin: Shenzhen China HS Code: 8562112212 Product Description Bluetooth Mini USB Audio Music Adapter Receiver for Home Car StereoWork with All the speakers with USB port . Make them become a Bluetooth wireless speaker.Connect with the last used device automatically when power on.Plug and play, no need pairing code.1.Bluetooth 3.0. Streaming music from mobile/PC/MP3 to speakers/car audio system2.Support handsfree function. Come with inbuilt microphone. Support picking up phone calls with handsfree in car. Help you driving safely3.Widder range. Bluetooth working range up to33 ft(10 meters)Specification:Bluetooth version: 2.1+EDRWorking range: 33 ft/10 metersSupport profile: A2DP, HSP, HFPNet weight: 15gColor: black and red, black and blue, black, blue