Product Name: M2R Wireless Audio Receiver Main Features ◆ Frosted finish for scratch-resistant and wear-resistant performance. ◆ Bluetooth 6.0 chip design for enhanced compatibility and stability. ◆ Upgraded to a one-to-two mode, allowing you to connect two phones simultaneously for music playback and switch between them freely. ◆ 3.5mm AUX/RCA input and Type-C charging port on the back panel. ◆ Battery-free design automatically powers on when connected to an external power source, ensuring worry-free battery life. ◆ Supports USB (U disk) playback and playback of multiple lossless audio formats. ◆ Built-in HD microphone for wireless music listening, hands-free calling, and navigation. ◆ Mobile app control available in China (not currently supported internationally). ◆ Infrared remote control for one-touch access to various functions. ◆ Easy product connection, no drivers or app downloads required. Product Name: M2R Wireless Audio Receiver Main Features ◆ Frosted finish for scratch-resistant and wear-resistant feel. ◆ Bluetooth 6.0 chip design for enhanced compatibility and stability. ◆ Upgraded to a one-to-two function, allowing you to connect two phones simultaneously for music playback and switch between them freely. ◆ 3.5mm AUX/RCA inputs and a Type-C charging port on the back panel. ◆ Battery-free design, automatically powers on when connected to an external power source, ensuring worry-free battery life. ◆ Supports USB (U disk) playback and playback of multiple lossless audio formats. ◆ Built-in HD microphone for wireless music listening, hands-free calling, and navigation. ◆ Mobile app control available in China (not currently supported internationally). ◆ Infrared remote control for one-touch access to various functions. ◆ Easy product connection, no drivers or app downloads required. Product Parameters Model: M2R Bluetooth Version: Bluetooth V6.0 Supported Protocols: A2DP/AVRC/A2DP/HFP Operating Frequency Band: 2.402GHz-2.480GHz Sensitivity: -85dBm 0.1% BER Signal-to-Noise Ratio: ≥90dB Distortion: ≤0.1% Interface Type: 3.5mm AUX + RCA + USB Operating Current: 40mA Input: DC5V 2000mA Bluetooth Range: 10-20m (Unobstructed) Charging Method: USB-C Compatible Devices: Android and iOS phones and tablets, powered speakers, amplifiers, and other devices with audio input. Product Dimensions: 82*67.4*22.7mm (L*W*H) Product Weight: 56.8g Packaging Dimensions: 126*111*36.5mm (L*W*H) Package Weight: 147.3g Color Box Packaging Contents: Bluetooth Receiver x1, Type-C Charging Cable x1, 3.5mm Audio Cable x1, Red and White RCA Cable x1, IR Remote Control x1, User Manual x1 (Chinese/English available), Packaging Box x1 (Chinese/English available)