The BM64SPKS1MC2-0003AA is a Bluetooth module manufactured by Microchip. It is a single-mode Bluetooth 5.0 wireless solution that supports stereo audio, low energy, and I2S applications with 802.15.1 Bluetooth specifications. It is a Class 2 module and features a shielding PCB antenna. The BM64SPKS1MC2-0003AA also includes a 64-Mbit Flash memory. The module supports enhanced data throughput, low power usage, reduced system cost, and improved interference immunity. It is designed for use in consumer electronics such as audio speakers, portable media players, GPS/sensory applications, and phones.