100M Bluetooth Module WKBT0221AR Class 1 USB, UART, SPI, PCM interface Bluetooth Profiles: HFP, HSP, A2DP 100M Bluetooth Module WKBT0221AR z Fully Qualified Bluetooth v3.0 + EDR ... 2Mbps and 3Mbps Codulation modesz Full Speed Bluetooth Operation with full Piconet Supportz Scatternet Supportz 1.8V output,3.0 to 3 ...