Features 1. Enjoy wireless music streaming: This Bluetooth receiver car extends a range of non Bluetooth devices through a 3.5mm stereo connector and cable with Bluetooth functionality. For example, non Bluetooth car audio systems, home audio systems, wired headphones, etc., can enjoy high-quality music by simply pairing with a phone. 2. High fidelity music and ultra clear communication: Our car Bluetooth adapter uses professional high-definition audio decoding chips, allowing you to transmit high-quality music. 3. Handsfree calling and navigation: Built in microphone for hands-free calling, used for answering/hanging up/rejecting/retracting calls. The Bluetooth adapter also supports sending voice notifications from existing navigation applications. You no longer need to look at your phone while driving to protect yourself! 4. Bluetooth adapters are compatible with most Bluetooth devices, such as iPhones, Android smartphones, iPads, laptops, etc. It supports connecting two Bluetooth devices simultaneously. Simply stop the current player and play another one to switch music sources. 5. Long battery life: This Bluetooth receiver works for up to 16 hours under normal use. And with the accompanying Type-C fast charging cable, it only takes 2.5 hours to fully charge. Specification Output interface: 3.5mm stereo connector Frequency response: 50-200Hz Bluetooth version: 5.0 Transmission distance: 10-15 m Battery capacity: 200 mAh Charging port: PD Type-C Material: ABS Color: Black Size: 17.8 x 7 x 1.6 cm Weight: 70 g Package Include: 1x Bluetooth receiver 1x Audio conversion interface 1x Audio cable 1x Charging cable