Bluetooth Pairing •In power off mode， press and hold the multifunction key for 3seconds until LED flashes between Red and Blue alternately. •Pair with your device via "searching/add new Bluetooth device" on the media device. If a PIN code prompts， enter:"0000". NFC pairing •Switch on the JRBC01 by press multifunction button for 3 seconds Enable NFC on your mobile phone •Slide your phone very slowly from top to bottom across the shown area of the right side of the JRBC01 until you hear a beep and a confirmation message comes up on your mobile phone. 3.Music operation • Play/Pause: Press once on the multifunction button • Next song: Press once on "Next" button • Previous song : Press once on "Previous" button • Volume up: Press and hold on "Up" button. When a maximum volume， there will be one "BEEP" • Volume down: Press and hold on "Down" button. When a minimum volume， there will be one "BEEP" 4. Phone Operation • Answer a call - On Incoming call， Press once the multifunction button once • End a call - While in a call， Press once the multifunction button once • Refuse a call - On Incoming call， Press and hold the multifunction button for 2 seconds • Redial the last number - Redial by pressing the MFB twice when the phone is paired • Switch the two call ，press the "multifunction"2 times • MIC Mute function-press the "Next and previous" button once at the same time 5.Specifications Bluetooth version: 4.0 Transmission distance :> 10m Unit size: 45mm*10mm Weight：100g ACCESSORIES User manual*1 Dual USB 2.1A car charger *1 Output: 3.5mm audio jack