Features:1. Directly connect to the car stereo system， speakers or headphones with 3.5mm audio input2. Receive audio signals streamed wirelessly from audio devices via Bluetooth3. Support A2DP V1.2 for high quality stereo sounds4. Long operation range more than 10 meters5. Support USB power supply6. Mini size， lightweight， easy to carrySpecifications:1. Model: YET-M12. Color: Black3. Bluetooth Version: Bluetooth V2.1 + EDR 4. Bluetooth Profiles: A2DP V1.25. Effective Range: ≥10M6. Power Supply: DC 5.0V 7. Transmission Rate: 3 (Mbps)8. Power Supply Mode: USB- POWER9. Dimensions: (2.17 x 0.79 x 0.43)" / (5.5 x 2 x 1.1)cm (L x W x H)10. Weight: 0.32oz / 9gPackage Includes:1 x Bluetooth Music Receiver 1 x Connecting Line