With its power-off memory feature, you can conveniently resume playback from where you left off, ensuring a seamless listening experience. This amplifier supports a wide range of song formats including MP3, WAV, APE, and FLAC, allowing you to enjoy your favorite tracks in high-quality audio. Equipped with a power amplifier and decoding functions, this device delivers a powerful output of 6W, providing rich and immersive sound. The true stereo two-channel configuration ensures a balanced audio performance with 2*3W output on each channel. With its main functions including MP3, USB, TF, AUX, FM, and Bluetooth-compatible (version 5.0), this amplifier offers versatility and convenience for all your audio needs. Item Name: Amplifier Material: Plastic Bluetooth-compatible: Version 5.0 Support: Calls (long Press The Pause Button to Answer Calls) Supports: Power-off Memory Voltage: Direct Current 3.7V-5V Current: 1A Power Amplifier: 2*3W. Supports Song Formats: MP3/WAV/APE/FLAC Features: Power-off Memory, Dual Channel, Multi-purpose Size Details: L: 7cm/2.76", W: 2.2cm/0.87" (Approx.) Notes: 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. Package Includes: 1 x Amplifier