UGREEN CM667 - User Manual

Bluetooth Audio
Receiver/Transmitter
Model: CM667 I P/N: 35223
User Manual
Package Contents
1×Bluetooth Audio Receiver/Transmitter
1×USB-A to USB-C Cable
1× 3.5mm Audio Cable
1× 3.5mm to RCA Audio Cable
1× 3.5mm Audio Adapter
1 × User Manual
1 × Quick Start Guide
Specifications
The data are measured by UGREEN lab but may vary based on specific circumstances.
CM667
5.2
2400MHz-2483.5MHz
4 dBm (conducted)
10m/33ft (no blocking)
A2DP/AVRCP/HSP/HFP
RX: SBC/AAC
TX: SBC
20Hz-20kHz
≤630mV rms RL=100kΩ
≤0.75Vrms
≥92dB A-wt.
≤0.1%
-40±3dB (0dB=1V/Pa)
3.5mm audio
USB-C
Polymer Lithium-Ion Battery
300mAh 3.7V (1.11Wh)
5.25V
About 2 hours
TX: About 27 hours
RX: About 22 hours
Model
Bluetooth Version
Frequency Band
Max. RF Output Power
Transmission Distance
Bluetooth Profile
Frequency Response
Output Level (Receiving)
Input Level (Transmitting)
SNR
THD+N
Mic Sensitivity
Audio Port
Charging Port
Battery Type
Battery Capacity
Limited Charging Voltage
Charging Time
Codecs
Operating Time
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UGREEN CM667 Specifications

General

Brand	UGREEN
Model	CM667
Category	Transmitter
Language	English

Summary

Specifications

Package Contents

Product Overview

Controls and Indicators

Overview of device buttons, slide switch, and indicator lights for various functions.

Indicator & Voice Prompts

Transmitter Mode (TX)

Connecting Bluetooth Devices

Steps for pairing and connecting headphones or speakers in transmitter mode.

Receiver Mode (RX)

Connecting Bluetooth Devices

Steps for pairing and connecting phones or tablets in receiver mode.

Operating Tips and Safety

Usage Tips

Advice on reconnection, device limits, battery status, and charging.

Resetting and Warnings

Procedures for clearing paired devices, resetting, and product safety warnings.