Device Feature
Bluetooth V2.0+EDR Compliant
Enhanced Data Rate(EDR) Compliant with v2.0 of specification for both 2Mbps and 3Mbps modulation modes
16-bit Internal Stereo CODEC -95dB SNR forDAC
Low-Power 1.5V Operation,1.8V to 3.6V I/O
Integrated Switched-Mode Regulator
Integrated Battery Charger
USB and UART with Dual Port Bypass Mode to 4Mbit/s
Supports 16Mbits of External Flash
Multi-configurable I2S,PCM,or SPDIF Interface
Enhanced Audibility and Noise Cancellation
Support for 802.11 Co-existence

For bluetooth stereo head phones, bluetooth speakers , this module is the best choice.

Key Features

Operating Frequency Band 2.402GHz -2.480GHz ISM band
Bluetooth Specification V2.0 or V2.0+EDR
Bluetooth Stack * Standard HCI(UART or USB)
* Audio CODEC echo-noise cancellation algorithms running on the DSP
Theoretical range in open field Bluetooth Class II
Antenna External
Power Supply * 3.3V
* Internal 1.5V and 1.8V regulator