Name: Bluetooth-compatible Receiver
Connectivity: Bluetooth-compatible , AUX, FM
USB input: 5V
Bluetooth-compatible version: V5.0
Bluetooth-compatible transmission distance: 10M
Transmission frequency: 87.5~108.0MHZ
TF card: ≤32G
Audio format: MP3/WAV/FLAC/APE/WMA
Spring wire length: 1.2M
features:
1. Safe driving: This machine has a built-in high-quality microphone, when someone calls while you are driving, just press the phone button and put your hands on the steering wheel to speak to ensure your safe driving. 
2. If your car doesn't have a 3.5mm Aux-in port, you can use it as an FM transmitter to listen to music from your phone or tablet through your car or home stereo speaker system.
3. Wide Compatibility: Compatible with iOS, Android and Windows. Support Siri/Google Voice. Works with any system that has an AUX 3.5mm headphone input jack, such as car or home audio systems, AV receivers, amplifiers. Quick pairing via Bluetooth-compatible devices such as iPhone, iPad, iPod, Android, Samsung and other popular smartphones or tablets.
4. the combination of lossless audio transmission and noise reduction technology ensures that music and calls are delivered with exceptional clarity and precision. Hi-Fi stereo audio, clear, good sound. Easily upgrade your vintage speakers or car audio system to Bluetooth-compatible hands-free wireless audio.
Packing list:
1 x Bluetooth-compatible Receiver
1 x manual
Note:
Please make sure the model matches your device before purchasing.