Microchip BM20SPKS1NBC-0001AA Bluetooth Chip 4.1

The BM20 stereo module is a Bluetooth® (BDR/EDR) module for designers who want to add Bluetooth wireless audio and voice applications to their products. This module provides a complete wireless solution with Bluetooth stack, integrated antenna, and worldwide radio certifications in a compact surface mount package, 29 x 15 x 2.5 mm3. This stereo module contains a digital audio interface. It supports HSP, HFP, SPP, A2DP, and AVRCP profiles.

Complete, Fully Certified, Embedded 2.4 GHz Bluetooth® Module
Bluetooth Classic (BDR/EDR)
Onboard embedded Bluetooth Stack
Transparent UART mode for seamless serial data over UART interface
Easy to configure with Windows GUI or direct by MCU
Firmware can be field upgradable via UART
Compact surface mount module: 29 x 15 x 2.5 mm3
Castellated surface mount pads for easy and reliable host PCB mounting
Environmentally friendly
Perfect for Portable Battery Operated Devices
Internal Battery Regulator Circuitry