Color:White.High quality wireless soundFB1 unitlizes the Qualcomm CSR8645 Bluetooth 4.1 chips,which supports the aptX,AAC and SBC audio codecs to ensure your get the best out of your music.Large 13mm dynamic driveThe FB1 uses a large 13mm dynamic driver,specially tuned for popular music so that you get those sweet highs and awesone bass in an expansive soudstage.Three-button multi-function in-line control centerSeamlessly take phone calls and control media playback with integrated microphone and remoteSimple blue and red indicatorsCharging:Red light flashes till charging completesWorking:Blue light flashesPairing:Red light and blue light flashes alternatelyLow battery:Red light flashesListen to an hour of music with just 10 minutes of charging8 hours Continuous playback,200 hours Ultra-long standby time,2 hours Charging timeFAQ1. What Bluetooth codec can the FB1 support?A: The FB1 can support aptX, SBC, and AAC Bluetooth codec.2. How to reset the FB1?old the ? button on the FB1 for 3 seconds when charging; the indicator flashes red and blue simultaneously and the notification tone rings.3. How to wear the FB1?A: Wearing instructions 1. Please first install a set of ear tips and ear hooks of suitable size. 2. Put the earphone into the ear canal. 3. Adjust the earphone until you feel most comfortable.3. How to pair the phone with the FB1?Pairing with Bluetooth smartphone Before used with the Bluetooth smart phone, the FB1 should be paired with the smartphone with following stepsWhile the FB1 is powered off, hold the ? button for 5 seconds until the indicator flashes blue and red alternately; the FB1 enters the pairing modeTurn on the Bluetooth function on the smartphone and search for Bluetooth devices. Choose "FiiO FB1" to pair with it.