Upgrade your car audio with this versatile Bluetooth 5.2 Receiver! Automatically turns on when connected to a power source – perfect for in-car use. Dual Device Link: Connect your smartphone and tablet simultaneously. Stream music from any stereo system with standard 3.5mm or RCA jacks. Connect two Bluetooth devices at once for music, calls, and more. Supports both 3.5mm audio port and 2 RCA audio ports simultaneously. Hands-free calling and navigation: Built-in microphone for easy calls. One-button answer/redial/hang-up/reject call functionality. Supports voice prompts from navigation apps for safer driving. Stream stereo music wirelessly to non-Bluetooth headphones and speakers. Ultra-compact and lightweight design for easy portability. Bluetooth 5.2 chip ensures stable pairing, fast transmission, and a wide signal range (10m/33ft). Automatically reconnects to the last paired device. Note: This is a Bluetooth receiver only, not a transmitter. Bluetooth Protocol: AVRCP, A2DP Frequency Range: 2400-2483.5MHz Frequency Response: 20Hz-20kHz Power: 28mW RL=16ohm Signal-to-Noise Ratio: 90dB Total Harmonic Distortion: 0.1% Support: , AAC Transmission Distance: 10m/33ft Product Size: 78x50x18 (mm) Color: Black Material: Metal + Plastic Cable Length: 80cm/2.6ft Package Contents: 1 x Bluetooth 5.2 Audio Receiver 1 x USB-C Power Supply 1 x 3.5mm AUX Audio Cable 1 x RCA Cable (Random Colors) 1 x English Manual