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

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.

HDMI USB2.0 KVM Extender is an Internet cafe extender specially designed for internet cafe centralized management. It supports HDMI signals, USB signals, keyboard, mouse and audio signal extension transmission, as well as supports switch and reset the computer host remotely. This product consists of a transmitter and a receiver,  the transmitter and receiver connected through a CAT5e/6e LAN cable. The transmitter is connected to the HDMI and USB output of the computer host, and it is sent to the receiver via the LAN cable to restore the signals. The HDMI signal is used to connect the monitor, USB is used to connect the U-disk, camera  and other USB external devices, and the receiver can also connect the keyboard mouse with USB port.

DT-7026 supports 4 input 2 output, can connect to 4 HDMI sources and switch among them to 2 displays. With remote controller

High Quality Usb2.0 Extender Compatible With Usb 1.1 /Usb 2.0 Rj45 Lan Extender

DT-7021 HDMI switcher support 1080p, which have 5 HDMI Inputs, 1 HDMI Output, supports data rates up to 2.7Gbps, deep color display, and supports resolution up to 1080p, is easy to install and operate, no need DC power.

DT-5028 20m usb extension cable supports all USB2.0 standard equipment: camera, mouse, keyboard, card reader, U disk, USB barcode scanners, and other digital devices. 

DTIB-0708 Male to Female Industrial RS232 to RS232 Serial Optoelectronic Isolator Converter   Ⅰ.Product Parameters Product Name RS232 Optoelectronic Isolator Model DTIB-0708 Interface Comply with EIA/TIA-RS232-F and CCITT V.24 asynchronous protocols Gender M-F Transmission Mode Asynchronous full-duplex transparent transmission Isolation Voltage ≦3500V rms ESD Protection ±15KV IEC61000-4-2 air discharge, ±8KV IEC61000-4-2 contact discharge Transmission Rate 300bps~115200bps Standard Comply with IEC60601-1 requirements Communication Standard Distance 15m at the front and back ends of the product Power Supply The product can work normally without external power supply (using serial port charge mercury power supply technology to achieve product self-power supply) Operating Environment -40℃~85℃, relative humidity is 5%~95% Warranty 1 Year Ⅱ.Product Descriptions   This product is an RS232 serial port isolation protector (ISOLATORS), which uses advanced digital isolation technology to protect the devices at both ends of the RS232 serial interface, avoiding damage to RS232 devices caused by environmental factors such as ground loop voltage, surge, inductive lightning, static electricity, hot plugging, etc., and improving the stability of equipment operation. Ⅲ.Product Connection Diagram      

RS232 RS485 to TCP/IP Ethernet Serial Server Converter

Widely used in computer teaching system, high-quality multimedia display, video conference, computer, LCD plasma high-definition display venue, digital home theater, exhibition, education, finance, scientific research and other fields.