Class II Bluetooth2.1+EDR, Csr's Bluecore5

Bluetooth® V2.1+EDR(Class2)
+4dBm TX power, -86.0dBm RX sensitivity
64MIPS Kalimba DSP coprocessor
16bit internal stereo codec: 95dB SNR for DAC
Support Profiles: HFP, A2DP, AVRCP, SPP, iAP over Bluetooth for Apple, HID and etc.
UART/I2C master
11 digital PIOs
Support PCM interface (SPDIF, I2S)
Software Support Apt-X, AAC, Apt-XLL, SBC codec, CVC@ echo cancellation
SMT pads for easy and reliable PCB mounting.
RoHS compliant
Qualifications: BQBCEFCC
Size: 23.53mm X 11.93mm X 2.3mm

Sports and fitness
Healthcare
Home entertainment
Office and mobile accessories
Automotive
Commercial
Watches
Human interface devices
Class II Bluetooth2.1+EDR, Csr's Bluecore5