Features
Bluetooth v2.1 + EDR compliant firmware
Class 2 device with up to 25 m range in open space
AT Command interface available for HFP/HSP/A2DP/AVRCP firmware
HFP/HSP/A2DP/AVRCP profiles supported. SPP/PBAP firmware under development
Development kit (LM556) for LM740 available for development
Application Schematic for LM740 available for development
Integrated Switched-mode regulator
Embedded Kalimba DSP Co-processor
Integrated Switched-mode regulator
Embedded Kalimba DSP Co-processor
Integrated battery charging option
Integrated 16-bit Stereo Audio CODEC 95dB SNR for DAC
UART baud rate upto 921600 bps supported
Enhanced Audibility and Noise cancellation
Integrated 16 MB flash memory
True Wireless Stereo Support
APTX Support
Support UART, PIO and USB Host Interface
CSR Bluecore 05 Multimedia External Flash (BC05-MM Ext) chipset
Lead free - RoHS compliant
Small Size : 16mm x 15mm x 2.2mm

Applications
High Quality Stereo Wireless Headsets
High Quality Mono Headsets
Vehicle Infotainment Systems
Wireless Speakers
VoIP Handsets
Bluetooth Enabled Automotive Wireless Gateways
Handsfree kits