Product name: Bluetooth receiver Bluetooth version: V5.3 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: USBandAUX Product size: 40.5mm x 45.7mm x 11.4mm Product material: ABSandPC Color box size: 98 x 17 x 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. sound effect: The built-in 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 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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.