Check the listing for details. USB Recording Module (Multi Sound Files per Button) with Buttons, Speaker and Ba. Condition: New. Listed at 30.95 USD. This kit includes:The MP3 player board with build in 3 Watt amplifier4 push buttons with 12" leadsa 3-watt speaker with 6 inches of wire connected.3 x AA battery holder with 5.9" leadsAll that is needed is a small screwdriver to attach the wires to the MP3 board. Add 3 x AA batteries and you are good to go!Features of The FN-T418Uses a micro USB port to directly plug into the USB port of PC for easy use of the sound module.Built-in an 8MB flash memory, which is able to store a total of about 8 minutes long MP3 files of Supports earlier Windows, Windows 10, and Mac operating systemsSupport audio format: MP3 and WAVAble to play multiple audio files on per button.Built-in a class D 3Watts amplifier IC and a 3.5mm audioDirectly drives a 0.5Watts to 3Watts (4ohms to 8ohms) speakerVolume is adjustable through adjusting the blue potentiometerBuilt-in headphone output for easy use if the external speaker is not something that will work with your project. 4-Key Operations with 7 Triggering Modes0: Short press the button to start playing, and during playing, if you press the button again, the playback will be interruptible and it will play from the beginning.1: Press the button and hold to start playing repeatedly, and when the button is released the board stops playing.2: Short press the button to start playing, and during playing, if you press the button again, the playback will be NOT interruptible.3: Short press the button to start playing repeatedly and press the button again to stop.4: Press the button and hold to start playing once, and when the sound file goes to the end, the board stops playing.5: Interruptible and switches to the next sound file.6: Uninterruptible Working voltage: 3.7-5V DCWorking current: ≤100mA (1Watt 8ohms speaker)Standby current: 0μASuitable to be powered with 3 x AA, 3 x AAA batteries or a Li-ion batteryPCB size: 50mm x 34mmHeight of the module: 14mmFeatures of the Battery HolderWith leads (150mm)For: 3 x AA (LR06)Features of the ButtonWith 12" (30mm) leadsEnds stripped and tinned 0.12" (3mm) Specifications:Momentary Push SwitchFlat rubber head (white)3mm heightFeatures of the speaker Small SizePower rating: 3WImpedance: 8Ω57mm diameter and 12mm high6 inches of wire pre-attached