Ugreen Bluetooth Receiver&Transmitter - Black

UGREEN CM403 Bluetooth 5.0 Audio Adapter – 3.5mm AUX with USB-C Charging

The UGREEN CM403 Bluetooth audio adapter is designed to turn traditional audio devices into wireless ones, offering stable connectivity, high-quality sound, and compact portability for everyday use in cars, headphones, and speakers.

Key Features

• Bluetooth 5.0 for fast and stable wireless connection.
• Supports 3.5mm AUX audio output.
• Supports AAC and SBC codecs in receiver mode.
• SBC support in transmitter mode.
• Up to 10 meters wireless range.
• High-quality sound with 20Hz – 20kHz frequency response.
• Compact and lightweight design for portability.
• Built-in 145mAh rechargeable battery.

Performance & Usage

• Up to 5.5 hours in receiver mode.
• Up to 8 hours in transmitter mode.
• Fast 1.5-hour charging via USB-C.

Specifications

• Brand: UGREEN
• Model: CM403
• Port: 3.5mm AUX
• Charging Port: USB Type-C
• Bluetooth Version: 5.0
• Battery Capacity: 145mAh
• Dimensions: 92 × 19 × 11 mm
• Weight: 12g
• Material: ABS + PC

Package Includes

• UGREEN CM403 Adapter
• USB to USB-C Cable (0.5m)

Why Choose CM403?

This compact Bluetooth adapter delivers a seamless wireless audio experience with high-quality sound, making it the perfect solution to upgrade any traditional audio device to modern Bluetooth connectivity.