工業級設計 
                                    外置天線 
                                    PIN TO PIN BM77(工程師幾乎零工作量替換） 
                                    兼容SPP（藍牙3.0~2.1）和GATT（藍牙4.0）協議 
                                    支持主端（master)和從端(slaver) 
                                    支持UART通信,可變波特率 
                                    支持CDM命令修改和讀取藍牙參數 
                                    ARM Cortex™-M3處理器 
                                    卓越的接收靈敏度 
                                    15mm(L) x 12mm(W)  
                                    支持 OTA 
                                    支持藍牙class2標準 
                                    符合ROSH標準