Basicest Audio Selector Switcher Earphone Headset Switching Smartphone Amplifier Portable Amplifier Compatible

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- Ultra-small, power-free headphone/earphone selector It is also useful when you want to play various devices with one speaker. 4 inputs, 4 outputs. Select your favorite audio source from the 4 channels and the selected audio source will be played from the connected headphones (up to 4 units). Set contents: 1 main unit, 4 3.5 stereo jacks, 4 output 3.5 stereo jacks. 4 AUX cables included. Size: 9.5cm x 6.5cm x 2.8cm Jack diameter: 3.5mm No power supply required. Extremely small size headphones, earphones, MP3 mini audio switcher/selector for smartphones. Extremely small size, no power supply required. The input is on the back side where it says IN. Select this input and switch it with the channel on the table. The output terminal on the table allows you to stream audio to up to four devices. Example of use: If you input MP3 to 1ch and smartphone audio to 3ch, and connect headphones to output 2ch and 4ch, if you select input 1ch, the MP3 audio will play from output 2ch and 4ch. If you select 3ch, the smartphone audio will play from output 2ch and 4ch. In this case, you can switch the input but not the output. You can also use it by swapping the output and input. If you want to use it to switch the output, connect the output to the terminal marked IN and the input to the terminal marked OUT, and you can switch the input audio by channel and output only to the speaker or headphones you choose.