B21 Bluetooth 5.0 Audio Receiver AUX RCA Output U-disk Playback

B21 Bluetooth 5.0 Audio Receiver is an audio receiver and transmitter. It supports U-disk playback and hands-free calling.

• Product model: B21
• Compatibility: Bluetooth devices
• Supported devices: Two mobile phones can be connected
• Output interface: 3.5mm stereo RCA left and right sound channel
• Function description: U disk, hands-free call
• Bluetooth protocol: AVRCP, A2DP
• Frequency range: 2400-2483.5MHz
• Frequency response: 20Hz-20kHz
• Output power: 28mW RL=16Ω
• SNR: >90dB
• Total harmonic distortion: <0.1%
• Supports SBC and AAC
• Forward transmission distance: 10 meters
• Support Micro USB port 5V power supply