Multifunctional Health Tracking Finger Rings Payment Ring Smart Ring for Men with Rfid Nfc IC/ID Cards

The smart ring can monitor the user's health status, including real-time monitoring and analysis of heart rate, blood pressure, sleep quality and other data. Users can view relevant data through a mobile app and adjust their lifestyle to improve their health. It can also accurately record steps, calorie consumption, support your multiple exercise patterns, this convenient way of operation allows people to complete tasks more efficiently in busy lives.

The smart ring can monitor the user's health status, including real-time monitoring and analysis of heart rate, blood pressure, sleep quality and other data. Users can view relevant data through a mobile app and adjust their lifestyle to improve their health. It can also accurately record steps, calorie consumption, support your multiple exercise patterns, this convenient way of operation allows people to complete tasks more efficiently in busy lives.

Step count, sleep monitoring, heart rate tracking, exercise data records

Nowadays, devices which use serial communication port getting more and more, no matter in the industrial field or home applications.

DT-7041 4-Port HDMI  switch With Audio Out  has a high speed digital performance connection between four sources and a video display without signal degradation.

Ideal solution when copper HDMI cable can not transfer 4K@60Hz for long distance

DT-9028I is a universal industrial eight port RS485 hub with adaptive, a RS232/RS485 port, a RS485 hub designed specifically for RS485 transmission distance and large capacity serial communication network expansion. DTECH has a number of independent innovation of technology, including the built-in data collision protection control.

DTECH DT-5019(2nd) USB A Male to RS485 RS422 Serial Adapter Converter Cable 0.5m 1.5m   Ⅰ. Product Parameters Product Name USB2.0 to RS422/485 Cable Brand DTECH Model DT-5019(2nd) Interface Compatibility RS422/RS485 standard Product Chip Built in US CP2102+SP485 chips Signal Indication ①Power: red light ②Send data: green light ③Receive data: yellow light Interface Description ① USB A male; ② RS-485/RS-422 Communication Speed 300bps~3000000bps Communication Distance USB end: <=5m; RS-485/RS-422 end: 1200m Supported Systems Windows 10, 8, 7, XP, Linux, and other systems Warranty 1 Year Ⅱ. Product Introduction Industrial grade cable USB to RS485/RS422 serial cable *Wide application, universal for rs485/422 equipment. *Signal transmission 1200 meters *Good compatibility, support multiple systems *Anti-interference, multi-layer anti-shielding *With signal indicator Surging baud rate It can connect 256 sets of rs485 and recoanize 22 devices. Each point-to-multipoint converter can connect to 256 rs422, rs485 interface devices, data communication rate range of 300-3000000bps. Three data indicators Easily see the working state, for your programming debugging to provide convenience. Be more thoughtful than you think and avoid minefields When connecting cables from usb to rs485 and rs422 9-pin terminals cannot be directly connected. Instead, the terminals can be connected only through the terminals provided with the products. Support for multiple technologies Compatible with usb2.0, rs485, rs422 standard protocols. Automatically determine and control the direction of data transmission. Automatic detective serial port signal baud rate. Filter magnetic ring signal enhancement  With filter magnetic ring, signal transmission is more stable. Zero delay transceiver conversion The converter has zero delay transceiver conversion to ensure high-speed data transmission without delay, to ensure that the signal faster running, for your communication to provide a reliable connection. Ⅲ. Product Size      

DTECH USB HUB 3.0 4 Port usb-c Hub

Welcome to use our company high-quality video series products ! The HDMI matrix switcher  support 3D in perfect, 4k * 2k high-definition video, can achieve multiple HDMI HD equipment of image signal transmission in any one or more monitors, and can be arbitrary cross output, each output can bearbitrarily switched  into a way of input

USB to DB9 Male Long RS232 Serial cable 5M 20M 30M 50M 60M

DT-7502 VGA splitter is the perfect solution for anyone who needs to send one video signal to 2 displays.