Features: Multifunctional Design: All-in-one device seamlessly integrates FM radio, MP3 playback, and BT earphone functionalities. With a built-in DSP audio processing chip, it ensures high accuracy, stability, and reliability. Versatile Functionality: Enjoying the convenience of FM radio mode, BT mode and card reading mode, allowing you to choose the desired function based on your needs. BT Connectivity: Connect effortlessly to your phone via BT, enabling hands-free calling with one-button answering, rejecting, and recalling. Stay connected while on the go. Capture the Perfect Moment: In BT mode, take advantage of the self-timer and remote camera control features, making it easier than ever to capture photos. Portable FM Radio: Stay tuned to your favorite radio stations in real-time with the portable FM radio feature. Save up to 50 FM stations for quick access. Expandable Memory: Support TF card playback with a maximum memory capacity of 64GB, allowing you to carry your entire audio library wherever you go. Long-lasting Battery Time: Equipped with a rechargeable battery, it offers low power consumption and a battery time of over 8 hours. With a standby time of up to 21 days, you'll never have to worry about running out of power. Low Battery Reminder: The indicator light will flash when the battery is running low, ensuring you're aware of the remaining power. Specifications: Color: Black Material: ABS BT Version: BT5.3 BT Receiving Distance: >15M Receiver Sensitivity: 5-8dB FM Frequency: FM 64-108MHz Battery: Built-in 200mAh Lithium Battery Charging Time: 8 Hours Standby Time: >21 Days TF Card Capacity: 64G(Not Included) Working Temperature: -30~55 Item Size: 68 * 20 * 12mm\/ 2.7 * 0.8 * 0.5in Item Weight: 18g\/ 0.6oz Package Size: 120 * 90 * 30mm\/ 4.7 * 3.5 * 1.2in Package Weight: 65g\/ 2.3oz Packing List: 1 * Radio 1 * Earphone 1 * Type-C\/USB Cable 1 * User's Manual