Product name: Bluetooth receiverBluetooth version: V5.3Audio decoding: SBCSupported protocols: HSP, HFP, A2DP, AVRCPSupported modes: Bluetooth, TF cardTransmission range: 12mFrequency response range: 20Hz-20KHzMicrophone sensitivity: -382dBProduct input: 5V1AInput interface: USB+AUXProduct size: 40.5mm*45.7mm*11.4mmProduct material: ABS+PCColor box size: 98*17*138mm1. Multifunctional design: Multifunctional mobile phone Bluetooth receiver combines different functions. It can be used not only as a Bluetooth receiver, but also as an audio converter, radio, phone receiver and other purposes.2. Easy to use: Just plug the Multifunctional mobile phone Bluetooth receiver into your mobile phone, which is simple and easy to operate.3. High-quality sound effect: The built-in high-quality chip and high-fidelity speakers of Multifunctional mobile phone Bluetooth receiver provide excellent sound quality, allowing you to enjoy a more excellent listening experience.4. Widely applicable: Supports multiple platforms, including Android, iOS, Windows, etc., and can be used for smartphones, tablets, TVs and other devices.5. Multifunctional mobile phone Bluetooth receiver is made of high-quality materials, with high durability, withstands the test of time and use, and can maintain stability for a long time in daily use.Package includes:1pcs