Namiki Trading No power supply tiny MP3 mini audio for smartphones required, headphones, earphones, switcher/selector

---------------------------------------------------------------------- 【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. ---------------------------------------------------------------------- This is an extremely small, power-free headphone/earphone selector. Size: 9.5cm x 6.5cm x 2.8cm Jack diameter: 3.5mm Set contents: Main unit x 1, 3.5 stereo jack x 4, output 3.5 stereo jack x 4 Four AUX cables are included. With 4 inputs and 4 outputs, you can select your favorite audio source from the 4 channels and the selected audio will be played through the connected headphones (up to 4 units). A tiny, power-free headphone/earphone selector. *Example of use: When inputting MP3, smartphone, or other audio sources to 1ch and 3ch, and connecting headphones to 2ch and 4ch: When input 1ch is selected, the same audio source will play from 2ch and 4ch. When 3ch is selected, the same audio source will play from 2ch and 4ch. You can switch inputs, but you cannot switch outputs. Thank you for your understanding. Four 3.5mm ports at the front input simultaneously, turn the rear to switch, and four 3.5mm ports at the rear output different signals, turn the rear to switch