COOIDEA Audio Selector Audio Switcher 2 Input 1 Output 1 Input 2 Output Audio TRRS Noise Cancellation for and 3.5mm / – / Switcher, TS, TRS,

【Important Notice for International Buyers – Tomoayax Premium Audio Hi-Fi Japan】

■ Voltage Compatibility This product is designed exclusively for use in Japan (AC 100V, 50/60Hz).

Many regions use 120V or 220–240V. Using this product without a proper transformer in such voltage environments may result in malfunction, overheating, or serious and irreversible damage.

■ Plug Type This product uses a Japanese plug (Type A or B). A plug adapter may be required depending on your region.

■ Transformer Requirement (Very Important) A transformer is required for safe use.

A plug adapter only changes the plug shape and DOES NOT convert voltage. Using this product without a transformer may cause serious and irreversible damage.

■ Buyer Responsibility As this is high-end audio equipment, the buyer is fully responsible for confirming compatibility with their local voltage (100V / 120V / 220–240V) and usage environment before purchase.

■ No Return / No Refund Policy We do NOT accept returns or refunds for: ・Voltage mismatch (including 120V and 220–240V environments) ・Use without a transformer ・Plug incompatibility ・Damage caused by improper setup or usage

■ Liability We are not responsible for any damage, malfunction, or performance issues caused by improper use or incorrect voltage conditions.

■ Final Notice Please ensure full understanding of the above before purchasing. Use only under the correct voltage environment. [Two-Way Audio Switcher – 1 Input 2 Output / 2 Input 1 Output] This plug-and-play 3.5mm audio selector allows you to easily switch between multiple audio sources and playback devices. It connects to smartphones, laptops, PCs, headphones, and more, and its two-way design allows for seamless switching between two devices. No power supply or software is required. [Compatible with TS, TRS, and TRRS Standards – Also Supports CTIA & OMTP Standards] This audio adapter is compatible with all 3.5mm audio jacks, including 2-pole (TS), 3-pole (TRS), and 4-pole (TRRS). It supports microphones, earphones with remotes, balanced headphones, and AV cables, and is fully compliant with CTIA and OMTP standards. It can connect to a variety of audio devices, including speakers and amplifiers, such as smartphones, game consoles, PCs, and headsets, making it ideal as an audio selector or audio switcher. [Prevents Ground Loop Noise – High-Quality Sound Performance] This AUX switcher, featuring a full signal switching structure and low impedance circuitry, eliminates annoying ground loop noise when connecting multiple devices. Gold-plated terminals ensure clear, high-fidelity sound quality and provide a stable, long-lasting connection. It also functions as a speaker selector, instantly switching between speakers and headphones. [Easy-to-use manual switch – Instant switching with a single switch] The toggle switch allows you to switch between input and output in just seconds. A simple and intuitive "sound switch" design that requires no drivers, apps, or power supply. Enjoy music, calls, and entertainment without any stress. 【Compact & Space-Saving Design – Perfect for Desks and Travel】With a compact body measuring just 58 x 30 x 10 mm, it can be neatly placed on a desk, in a bag, or in any workspace. Its stylish and compact design makes it ideal for various situations, including home, office, and on the go. It can also be used as an AV selector to switch between multiple AV devices. Cooidea's upgraded 3.5mm bidirectional stereo audio switcher offers ground noise-free 2-section (TS), 3-section (TRS), and 4-section (TRRS) 3.5mm audio switching. It fully supports the interface. You can switch between two audio sources/playback devices with the press of a button. Ideal for customers with multiple sources and outputs. Features: No ground noise This audio switcher employs a full-line switching design to avoid ground noise caused by connecting multiple devices. Supports TS, TRS, and TRRS headphone jacks. Wide compatibility, fully supporting 2-section (TS), 3-section (TRS), and 4-section (TRRS, with MIC/line control or balanced interface) 3.5 mm audio interface Passive 2(1)-IN-1(2)-OUT Audio Switch It can be used as a 2-IN-1-OUT (audio source switching) / 1-IN-2-OUT (audio output switching) without a power supply or additional software. Small and exquisite It is exquisitely crafted, miniature in size, lightweight, easy to install, and doesn't take up much space. TRRS audio cable included. A high-quality TPU audio cable is included. Modes and uses: There is one common port and two channels (Channel 1 and Channel 2). You can choose from two operating modes. A. 1x2 mode (1 input, 2 outputs): 1. Connect your audio source (such as a mobile phone, computer, or audio player) to the public port. 2. Connect two audio receiving devices (headphones, speakers, power amplifier input, etc.) to channel 1 and channel 2, respectively. 3. Press the switch on the switcher to switch the audio output channel. B.2x1 mode (two inputs to one output): 1. Connect two audio sources (such as a mobile phone, computer, or audio player) to channel 1 and channel 2, respectively. 2. Connect the audio receiving device (headphones, speakers, amplifier input, etc.) to the public port. 3. Press the switch on the switcher to switch audio sources. specification: Color: Black Size: 4.0cm*3.8cm*1.0cm Weight: 13g Note: Please remove the protective film before use.