Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Filter-Desktop Speaker RCA composite input and stereo

RCA composite input and stereo audio input

For connecting RC-N1 remote control to a phone with USB Type-C/8 Pin/Micro USB interface

outside open various door types

wireless transmission rate up to 150Mbps

Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Filter-Desktop Speaker RCA composite input and stereoFeatures: 1. V4. 1 CSR Master 2. Support Bluetooth stereo music playback function (A2DP) 3. Can connect two mobile phones at the same time (one to two) 4. Display the battery on your iPhone 5. With noise reduction and echo suppression technology, the sound quality in any noisy environment is still excellent. 6. Long standby (about 7 days standby), up to 5 hours talking time 7. One button power on pairing, can remember to automatically connect 8. Voice