25837 | CM721 | UGREEN USB-C to 3.5mm Audio Adapter with Power Delivery | Black

UGREEN USB-C to 3.5mm Audio Adapter with 60W PD Charging (CM721 / 25837)

2-in-1 USB-C to 3.5mm Audio Adapter with Hi-Res 32-bit/384kHz DAC, 60W Power Delivery Pass-Through, Microphone Support & Magnetic Design

Product Overview

The UGREEN CM721 USB-C to 3.5mm Audio Adapter (25837) is a premium 2-in-1 adapter that allows you to listen to music through wired 3.5mm headphones while simultaneously charging your USB-C device. Featuring a built-in Hi-Res DAC capable of decoding audio up to 32-bit/384kHz, it delivers detailed, low-noise sound while supporting up to 60W USB Power Delivery pass-through charging. 

Designed with an aluminum alloy housing, durable braided cable, and magnetic cable management, the adapter is ideal for smartphones, tablets, laptops, and handheld gaming devices equipped with a USB-C port that supports digital audio output. It supports microphone functionality, inline controls, and plug-and-play operation without requiring drivers. 

Key Features

• USB-C male to 3.5mm headphone + USB-C charging adapter
• Simultaneous charging and audio playback
• Hi-Res Audio certified DAC
• Supports up to 32-bit / 384kHz audio
• Up to 60W USB Power Delivery pass-through charging
• Built-in DAC for high-fidelity sound
• Supports headset microphone
• Supports inline media controls
• Compatible with CTIA & OMTP TRRS headsets
• Aluminum alloy housing
• Braided nylon cable
• Magnetic cable management
• Plug-and-play operation

Listen While Charging

The adapter allows you to enjoy wired headphones while charging your device through the second USB-C port.

Benefits include:

• Listen to music while charging
• Watch videos without battery drain
• Play games with wired audio
• Attend voice and video calls while charging

The charging port is dedicated to power input and does not support data transfer or video output. 

Hi-Res Audio Quality

A built-in high-performance DAC delivers exceptional sound quality with support for:

• Up to 32-bit / 384kHz sampling
• Hi-Res Audio playback
• Low distortion
• High signal-to-noise ratio
• Clear vocals
• Rich bass
• Detailed treble

The adapter provides stable digital-to-analog conversion for an enhanced listening experience.

60W Fast Charging

The USB-C charging port supports Power Delivery up to 60W, allowing compatible devices to charge rapidly while using wired headphones.

Supported charging standards include:

• USB Power Delivery 3.0
• USB Power Delivery 2.0
• PPS
• Qualcomm Quick Charge 4.0
• Qualcomm Quick Charge 3.0
• Samsung AFC
• Huawei SCP

Actual charging speed depends on the connected charger, cable, and device. 

Microphone & Inline Controls

The 3.5mm TRRS audio port supports:

• Wired headphones
• Earphones with microphones
• Voice calls
• Inline volume controls
• Music playback controls

Compatible with both CTIA and OMTP headset standards. Apple headphone inline controls may not be fully supported. 

Premium Durable Design

Built for everyday use, the adapter features:

• Braided nylon cable
• Aluminum alloy housing
• Reinforced strain relief
• Magnetic connector design for easy storage
• Compact and lightweight construction

The reinforced design improves durability while reducing cable tangling. 

Wide Compatibility

Compatible with USB-C devices that support digital audio output, including:

Smartphones

• iPhone 15 Series and newer USB-C iPhones
• Samsung Galaxy S24, S23, S22 Series
• Google Pixel Series
• Huawei Mate Series
• Xiaomi
• OnePlus
• OPPO
• vivo

Tablets & Laptops

• iPad Pro
• iPad Air
• iPad mini
• MacBook Air
• MacBook Pro
• Windows laptops with USB-C audio support

Other Devices

• Steam Deck
• USB-C handheld gaming devices
• Compatible USB-C tablets

Specifications