Detail produk dari Bluetooth 4.0 LED Hands Free Car Kit Speaker Phone MP3 Music with Car Charge (Black) 100% brand new and high quality Material: Plastic + Metal Color: Black Instructions Pairing your Bluetooth Hands-free car kit: Connected the JRBC01 with speaker by 3.5mm audio cable. 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". 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" 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 Bluetooth version: 4.0 Transmission distance :> 10m Unit size: 5*1cm/1.97"*0.39" Output: 3.5mm audio jack Quantity: 1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!