Condition: Item Type: Music Receiver Model: B20 Material: ABS Color: As Shown in Pictures Supports Two Mobile Phone Connections Bluetooth Version: 5.0 Output Interface: 3.5mm Stereo and RCA Left/Right Sound Channel Functions: Supports Storage Card, USB Flash Disk, Hands-Free Call, NFC Connection Bluetooth Protocol: AVRCP, A2DP Frequency Range: 2400–2483.5 MHz Frequency Response: 20Hz–20kHz Output Power: 28mW RL=16 Signal to Noise Ratio (SNR): 90dB Total Harmonic Distortion: 0.1% Supports SBC/AAC Audio Codecs Transmission Range: Up to 10M Powered via Micro USB Interface with 5V Power Supply Weight: Approx. 141g Package Includes: 1 x Music Receiver 1 x 3.5mm Audio Cable 1 x RCA Audio Cable 1 x Charging Cable 1 x User Manual Features: Dual output interface with 3.5mm and 2RCA audio ports for compatibility with various devices. Dual playback ports support both memory cards and USB flash drives. 3.5mm AV audio output interface ensures broad device compatibility. Connects to car or other power source via charging cable. Automatically powers on and connects to the last paired device when the vehicle starts; automatically shuts down when the vehicle powers off. Supports NFC for quick pairing, enabling automatic Bluetooth connection and disconnection.