Bluetooth LE: Bluetooth 5 Bluetooth mesh High power mode(18 dBm) Rate support 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps Advertising Extensions Multiple Advertisement Sets Channel Selection Algorithm 2 Wi Fiand Bluetooth coexist, sharing the same antenna CPU and storage 32-bit RISC-Vsingle core processor, with main frequencyup to 160MHz CoreMark fraction: Single core 160 MHz: 407.22 CoreMark two point five five CoreMark/MHz 384 KB ROM 400 KB SRAM(16 KB is dedicated to cache) 8 KB SRAM Embeddedflash (differentmodels havedifferences, seeChapter 1 fordetails Product modelcomparison) MultipleSPl,DualSPl,Quad SPl,andOPlinterfacesareconnectedextemnally flash Accelerate flash access through cache Support flash in circuit programming () The appearance and color of different batches of products may be different, which will not affect the use. Colour:Black Material:PCB Package Contents: 1 x ESP32-C3 Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.