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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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