Description Thank you for visiting our product page! We strive to provide you with an effortless shopping experience. Our checkout process is simple and offers various shipping options with tracking. Furthermore, we believe in maximizing the value of your purchase. On this website, you can find detailed instructions on how to use this product and explore various projects we have created using it. These resources are designed to help you make the most of your purchase. How to use this product — Click on me Free projects and tutorials — Click on me If you have any questions or encounter any issues, our dedicated customer support team is always ready to assist you. Please don’t hesitate to reach out to us through our user-friendly Contact Us page. We are committed to ensuring your complete satisfaction. Lastly, we highly value your feedback. Once you have experienced our product, we would greatly appreciate it if you could leave a review. Your opinion matters to us! Thank you for considering our product. We look forward to serving you. Product details User defined Baud rate: 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800,921600 ,1382400 Bluetooth protocol: Bluetooth Specification v2.0 EDR Frequency: 2.4GHz ISM band Modulation: GFSK(Gaussian Frequency Shift Keying) Emission power: 4dBm, Class 2 Sensitivity: -84dBm at 0.1% BER Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps Security: Authentication and encryption Profiles: Bluetooth serial port Voltage: 3.3 (2.7V4.2V) Passkey: 1234 Built-in antenna for wireless communication Dimensions: Approximately 3.57 cm x 1.52 cm x 0.69 cm (L x W x H) Weight: Approximately 3 grams
