Premium tier occluded earbud reference design
The truly wireless earbud industry is growing rapidly and consumers are demanding much richer functionality from their devices, so it is important for manufacturers to stay ahead of the curve by bringing innovative new features to industry quickly.io sharing use case.

Bluetooth

Specification Version: Bluetooth® 5.2

Topologies: Qualcomm® TrueWireless™ technology

Maximum Output Power (typical): Up to 12 dBm

Receiver Sensitivity (Basic Rate, typical): Down to -95 dBm

Audio

Qualcomm® cVc™ Echo Cancelling and Noise Suppression (ECNS) technology support: 1-mic Speaker

Voice Services

Digital Assistant Activation: Support for Amazon Voice Services, Support for Google Audio Accessories

Power Consumption

Music Streaming (A2DP): ~5.5 mA

Audio Characteristics

2-mic cVc noise reduction technology (POLQA score): Wide Band: MOS 3.61, Narrow Band: MOS 3.57

Battery Life

Music Streaming (A2DP): > 7 h

Development Board Hardware

Development Board Antenna Performance Efficiency: > 10%

Development Board Certifications: FCC Pre-Scan 12dBm

Part

Part Number(s): DK-QCC3020-EarbudRD-A-0