Upgrade your audio instantly with this compact, plug-and-play USB external sound card. Restore or add mic/headphone functionality to laptops, desktops, consoles, and smartphones with clear stereo output, low noise, and multiple port options — ideal for gaming, streaming, and everyday audio.

Specifications:

• Product Name: USB sound card audio adapter
• Type: External USB audio interface
• Interface Type: USB
• Channels: 2
• Models Available: 2-Port (15cm), 2-Port (15cm) + OTG Adapter, 3-Port (15cm), 3-Port (15cm) + OTG Adapter, 3-Port (100cm)
• Cable Length: 15 cm (5.91 in) or 100 cm (39.37 in) depending on model
• Dimensions: 74 x 34 x 15.5 mm (2.91 x 1.34 x 0.61 in)
• Indicator Light: Two blue LEDs (one for headphone, one for microphone)
• Output: 3.5mm headphone jack (stereo, TRS); 3.5mm mono microphone jack (mono, TRS); 4-pin combo mic/headphone jack (TRRS CTIA — stereo out, mono mic in)
• SNR: ≥85 dB
• Sampling Rate: Microphone input up to 16-bit/48 kHz; Headphone output up to 24-bit/96 kHz
• Frequency Response: 20 Hz – 20 kHz
• Driver: No driver required (Windows, macOS, Linux, Chrome OS, iOS, Android)
• Compatibility: PC, Laptop, PS5, PS4, Nintendo Switch, Smartphone (OTG support required for phones)
• Features: Plug-and-play, microphone & earphone one-key mute, LED indicator, disable headphone mic and volume control, compact and portable
• Certifications: CE, FCC, RoHS
• Package Contents: USB sound card (OTG adapter included only in OTG model variants)

Important Notes:

• Set the USB audio adapter as the primary playback and recording device in your system settings to ensure proper operation.
• The 4-pin combo mic/headphone jack supports the TRRS CTIA standard only and does not support TRRS OMTP.
• Microphone input and combo jack support mono microphone input only.
• Make sure your smartphone supports OTG before using OTG-equipped models.

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