B7 CSR8635 Bluetooth V4.1 Music Audio Receiver, Support AUX / NFC / Hands-free

Features 1. Nice designing and good look. 2. Pure sound output. 3. Double AUX 3.5mm output jack port, support two devices working at a time 4. NFC, close to device for connection, no need searching. 5. Hang-up phone call, press button for answering. Functions 1. Support audio device with AUX 3.5mm port, audio transmission wirelessly. 2. Built-AEC echo cancellation and noise cancellation circuit ANC, gorgeous stereo sound more pure 3. Built-in enhanced signal transmission circuit, connected faster and more stable 4. Double lossless audio formats compatible 5. Dual AUX out 6. Automatic memory connected function , the operation is easier, more convenient 7. Built-in battery, long working time 8. Bluetooth 4.1, consume low power 9. With phone call and NFC functions,more easy to using 10. Smart work with Android, IOS system phone and Pad...all BT audio devices 11. Support two devices at a time 12. Easy to connection, no need download any driver or APP Working Light 1. Blue light flashing fast, non connection 2. Blue light flashing slow, connected 3. Red light on for charging, off for full