Product name: Bluetooth receiver Bluetooth version: V5.4 Audio decoding: SBC Supported protocols: HSP, HFP, A2DP, AVRCP Supported modes: Bluetooth, TF card Transmission range: ≤12m Frequency response range: 20Hz-20KHz Microphone sensitivity: -38±2dB Product input: 5V⎓1A Input interface: USB+AUX Product size: 40.5mm*45.7mm*11.4mm Product material: ABS+PC Color box size: 98*17*138mm 1. 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