Bluetooth Handsfree Kit Car FM Transmitter USB Charger AUX MP3 Player For phonesFeatures:1. Built-in high quality microphone、 Bluetooth speakerphone、2.Safe and convenient.3.Call noise processing CVC、 wind noise reduction、 full duplex technology.4. Support for Bluetooth A2DP feature、 you can playhigh-quality music directly after the phone connected tothe Bluetooth5. Turned on、 automatically put into pairing status、automatic back even.6. 2 USB port support to play MP3 \/ WMA \/ WAV format music and charging7. Support AUX output、 high quality audio enjoyment.8.Comes with 5V \/ 1A car charger、 Bluetooth music and enjoy the fun without compromising give love machine charging.Specifications:1.Input voltage:12-26V2.Output voltage:5V+\/-0.25V3.Output current5V\/1A4.Bluetooth version: V3.0 + EDR5.Frequency response: 20-20KHz6.Microphone sensitivity: -42DB +\/- 3DB 360 round7.Operating voltage: 5V8.Working Current: 45MA (max)9.Standby current: 25MA (max)10.Frequency: 2.402-2.480GHz11.Wireless distance: 5 meters12.Sensitivity: -92dBm13.RF output: 4dBm14.FM: 87.5 \/ 89 \/ 90.5 \/ 101.0 \/ 104.8 \/ 107.5MHz15.Transmit power: 87dBuv \/ 107dBuv16.Effective distance: 2 metersBluetooth paring:The pairing function will be activated automantically when the device is power on.The led will fast blinking.then open your phone setting Bluetooth search device name“BOLS-B9" connect itPackage Included:1 X Car FM Transmiter1 X Audio Cable1 X User Manual