Color: As shown in the First image. Quantity and size : As shown in the title or description. V2.1 Bluetooth Wifi Wireless Module Product Details: Working Voltage: 1.8~3.7v Acceptable Current:10~14mA Transmit Current: 120mA@+20dBm 90mA@+17dBm 29mA@+13dBm Operating Frequency:868M/915MHz Transmit Power:+20dBm Receive Sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps -136dBm@LoRa &125Khz&SF=12&293bps -118dBm@LoRa &125Khz&SF=6&9380bps -123dBm@FSK&5Khz&1.2Kbps Frequency Error:+/-15KHz FIFO Space :64Byte Data Rate :1.2K~300Kbps@FSK 0.018K~37.5Kbps@LoRa Modulation Mode :FSK,GFSK,MSK,GMSK,LoRa TM,OOK Interface For m :SPI Sleep Current :0.2uA@SLEEP 1.5uA@IDLE Operatingtemperature:-40°- +85° Digital RSSI Function Automatic Frequency Correction Automatic Gain Control Fast Wake-up and Frequency Hopping Highly Configurable Data Packet Handler SMA Antenna