Fangrui Product Details Esp32= Mcu+ Wifi+ Bluetooth Jc4832w535 Development Board Is Based On Esp32-s3 Controller, Dual-core Cpu, Clock Frequency Up To 240mhz,integrates Awealth Of Resource Peripherals, High-speed Sdiospl.uart And Other Functions, Supports Auto-matic Download [remote Lot Development Board] Jc4832w535 Development Board, Which Gives Full Play To The Development Of The Internet Of Things, Is A Real Lnternet Of Things Development Tool With A Controllable Display Screen, Which Can Be Used For App Remote Control,remote Environmental Data Collection, Remote Datafusion, Remote Parameter Settings And Other Lot Development Applications. Note: Do Not Provide The Default Firmware Source Code, But Provides Lvgl Display And Touch Basic Examples. Due To Different Product Batches, The Appearance May Vary, Which Does Not Affect The Use. Type:b:with Speaker Colour:black Material:plastic Package Contents: 1 * Esp32 S3 3.5 Inch Lcd Development Board Only The Above Package Content, Other Products Are Not Included. Note: Light Ref