Bluetooth Car FM Transmitter Wireless AUX Stereo Audio Receiver FM Radio Adapter USB Charger SD Compatible with iPhone (max speed), iPad (max speed), iPod, HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs and other smartphones and devices Product Description Our Bluetooth fm transmitter utilizes Bluetooth 3.0 technology which provides multi-solutions for your hands-free driving and in-car stereo streaming. Smartphones could be connected to this fm transmitter through Bluetooth, and then streamed through car fm system or AUX port. Product Futures ★ LARGE DISPLAY SCREEN ★ 1.44inch LED screen display can show current voltage of the storage battery of your car, the name of songs or caller ID, connect information, also FM channel and volume.★ EASY TO USE ★ Just plug the FM Transmitter in the car cigarette lighter, adjust it and the car radio at the same frequency (frequency range from 87.5 to 108 Mhz). Then let your phone / audio player connects this FM music gear via bluetooth / audio line.★ HIGH PERFORMANCE STEREO SOUND ★ Support A2DP and CVC Noise-Canceling Technology, achieve the superior stereo music lossless transfer to your car speaker. High-performance built-in microphone which can offer your hands-free talking and wonderful music. The Wireless FM Transmitter supports frequency range from 87.5 to 108 Mhz while via steady signal.★ USB CHARGING STATION ★ With a universal USB car charger (Output: 5V/2.1A) can charges your mobile devices fast,and it can automatically adjust the output power to different smart phone.★ BROAD COMPATIBILITY★ The Car Bluetooth Receiver works with smartphones Samsung iPhone, iPad, iPod, Tablet and more；Supporting AUX output and input, work with SD, TF card or MP3, MP4 players via 3.5mm audio jack. Bluetooth Bluetooth Version: V3.0+EDRFrequency: 20 h- 20KHZSensitivity: -41db+ / 3db 360Voltage: 5 V + / - 0.5Working Current: 45mA (Max)Stand-by Current: 25mA (Max) Frequencies Effective Range: 5metersSensitivity: -92 dBmRF Output: 4 dBmFM: 87.5MHZ-108.0MHZTransmitted Power: 87 dBuv / 107 dBuvEffective Range: 2 Meters Instructions ※ Press and hold the multifunction button 8-10 seconds, switch voice prompts language. ※ Adjust your transmitter and car radio to the same FM station to avoid noise. ※ To make sure the perfect sound, don't adjust the sound volume of the your car speaker to maximum; If you need louder sound, you can adjust the sound volume of your phone or FM Transmitter. At Glance ★ Plug and play, easy to use. ★ Car Bluetooth FM Transmitter, USB Car charger, Hands-free calling for all bluetooth enabled devices. ★ Provides hands-free calling through your car speakers. ★ With a car charger port, you can use it to charge your device when you are driving. ★ Memory Function: Fast Bluetooth pairing. Once paired, Auto-connect next time. ★ Goose Neck Design: Flexible metal hose, Convenient to adjust its direction. ★ Designed for plugged in the car cigarette lighter, not pick car models. ★ Support an external TF card, can play music files in MP3/WMA format. What's in the Box 1x Car FM Transmitter1x Audio Cable1x User Manual Thank you for considering our product!