<p>[QC3.0 and Dual USB Ports:] Maximum charging performance! Supports simultaneous charging of two devices, with one port featuring Quick Charge 3.0. The second USB port, marked with a music symbol, is four times faster than standard charging efficiency and can be used as a charger and flash drive with a capacity of up to 64g. </p> <p>[Hands-Free Calling:] Stream music and calls directly from your mobile device to your car stereo via FM radio signals. A powerful microphone with echo cancellation and CVC (noise suppression) technology ensures clear conversations. Seamless switching between calls and music keeps you safer. </p> <p>[Wide Compatibility:] The Bluetooth car FM transmitter can be paired as a hands-free device with all Bluetooth-enabled devices, such as iPhones, iPads, iPods, tablets, Samsung, HTC, Sony, and other Android smartphones. </p> <p>[Lossless Bluetooth 4.2 Transmission:] The newly updated Bluetooth 4.2 FM transmitter technology provides a more stable FM signal and better anti-interference performance, allowing you to enjoy lossless transmission and improved stereo music. Compact Design and Stylish Metal Knurling: Featuring a sandblasted, oxidized Apple Gray finish with stylish metal knurling, an eco-friendly ABS housing, and a matte finish, the FM transmitter blends seamlessly with your interior. Thanks to the LED screen display, you can easily find it in the dark. Product Description: HAICE Bluetooth FM Transmitter QC3.0 with LED Display Auto-Save: The transmitter automatically connects to the last device via Bluetooth each time it is powered on. Simply plug the Bluetooth FM transmitter into your car's cigarette lighter for power. Find an unavailable station and tune the FM station and your FM car radio to the same frequency. Press and hold the "Phone" button until the LED indicator begins to flash. Press the Previous/Next button to tune to the same unavailable frequency. Activate Bluetooth on your mobile device, search for the device name "C57," and connect (enter the PIN code: 0000 if necessary). Play music on your phone. Then you can enjoy your Pandora or Sirius. </p> <p>Specifications: -Material: ABS + high-quality anodized aluminum (AOO) sandblasting technology -Output: QC3.0 fast charging -Music format: MP3, WMA, WAV -USB: (Maximum capacity:) 64GB -Bluetooth version: ATS28 15 V4.2 -Frequency range: 87.5-108.0 MHz -FM transmission range: about 3M -Item weight: 37g -Low battery alarm: flashing under 12V -Supported protocols: A2DP, AVRCP, HFP, HSP -Input: DC12V 24V</p> <p>Package: 1 x Bluetooth FM Transmitter Car Charger 1 x User Manual</p> <p>Notice:</p> <p>1. Another USB port with a music symbol can be used as a charger and a flash drive up to 64G. Compatible with: QC2.0, Huawei FCP, Type-C and Samsung. </p> <p>2. Do not use under direct sunlight</p>