Features: Bluetooth 5.1 offers lower power consumption and wider compatibility, allowing you to enjoy smartphone music or hands-free calls through your car audio system. Auto-on and auto-connect functionality enables the receiver to turn on when you start your car and turn off when the engine is off. Supports connection to two phones simultaneously via multipoint technology. Includes a dual-port car charger to charge other devices while in use. Enables wireless playback from smartphones, tablets, and other Bluetooth-enabled devices through your car stereo, providing synchronized audio streaming.Specifications: Wireless Receiver: Model: BR-C8 Color: Black Material: ABS Technology: Bluetooth 5.1, A2DP, AVRCP, HSP, HFP Maximum working range: 33ft / 10m Working voltage: DC 5V Frequency range: 2.402GHz - 2.480GHz Operating range: Up to 10m Cable length: 2m Car Charger: Input: DC 12-24V USB Output 1: DC 5V / 1A USB Output 2: DC 5V / 2.4A Maximum power output: DC 5V / 3.4A Package Size: 11 x 9 x 4.5cm Package Weight: 133g Package List: 1 x Wireless Audio Receiver 1 x Dual Port USB Car Charger 1 x Magnetic Base 1 x Adhesive Pad 1 x User Manual Please check the product dimensions to ensure compatibility with your requirements. Detailed product information, including features and specifications, is provided in the title and description. For any questions or concerns, feel free to reach outwe are here to assist you. Thank you for choosing this product; we hope you enjoy using it.