Powerful Audio Capture Converter: Record all audio signals from Bluetooth or 3.5mm Audio LINE IN port, and save it as digital MP3 files in a USB drive or MicroSD card, computer is NOT required when recording. Support most smart phones iPhones which has Bluetooth, and audio video player devices which has a 3.5mm audio output port, such as CD players, cassette players, DVD players, game consoles, TV boxes, phonograph and other equipments | Simple Music Recorder: Connect the converter to your smart phone via Bluetooth, or other player device via a 3.5mm audio cable, play a music, then just short press the RECORD button to star recording, and press again to stop recording at any time you like. At the same time, you can hear the music via the built-in speaker. The recorded file is the popular and standard MP3 file, 160Kbps 44.1KHz Dual-Mono, it is very easy to edit or share to your friends | Support MicroSD Card & USB Drive: Plug a MicroSD card or a USB drive in the music converter to save the recorded MP3 files, usually the recorded file is about 70Mb for 60 minutes. It is VERY IMPORTANT to format it before use to avoid errors. Support 64GB Max with FAT32 and exFAT file formats, NTFS is NOT supported, and you can NOT insert a MicroSD card and a USB drive at the same time | Playback function is easily for you to play the MP3 files in the USB drive or MicroSD card. With the built-in speaker and rechargeable battery, you can use the music converter as a portable Bluetooh speaker also | What You Get: Music Converter Recorder x 1, Type-C USB Power Cable x 1, User Manual x 1