Description<br/><br/> Wireless Bluetooth FM Transmitter Radio Adapter Receiver, CHGeek 3.4A<br/><br/> Dual USB Car Charger with Hands-free Calling Supports USB Flash Drive for iPhone Samsung Galaxy, Nexus, HTC, iPod, MP3<br/><br/> Specifications:<br/> Color: Black<br/> Product Dimension: 1.3 x 1.3 x 3.4 inches<br/> Bluetooth version: JL 2.1<br/> Bluetooth Protocol: AVRCP, HFP, A2DP<br/> Screen Display: Orange digital LED<br/> Product Input: 12V-24V<br/> Charging output: 5V/3.4A Total<br/> Music Format: MP3<br/> Mic:4.0MM*1.5MM<br/> USB Drive(Max capacity): 32GB<br/> FM Transmit Distance: about 5M<br/> Material: ABS <br/><br/> Compatible: Universal fit<br/><br/> Package Contents:<br/><br/> 1*Bluetooth FM Transmitter Car Kit<br/> 1*User Guide<br/><br/><br/> How to Install:<br/><br/> 1. Plug the FM transmitter kit into your vehicle¡¯s cigarette lighter.<br/><br/> 2. Tune your radio to an unused FM frequency, then match this kit to the same frequency.<br/><br/> 3. Activate your phone's Bluetooth function, then search new device. When the phone detects a unit named "T56", please press it to connect.<br/><br/> 4. After connection, the music from your iPhone 7 6S/Samsung Galaxy S7 S6/iPod/MP3 player will be streamed out. <br/><br/>