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: The receiver automatically powers on when you start your car and turns off when the engine is turned off. Connects to 2 phones: With multipoint technology, you can connect two devices simultaneously. Dual-port car charger: Includes a dual-port cigarette lighter power adapter to charge other devices while using the receiver. Wireless audio streaming: Play music from your smartphone, iPad, iPod, or other Bluetooth-enabled devices wirelessly through your car stereo, with synchronized playback from your smart device. 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 Max 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