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

Dtech Fbier Optic HDMI cables are an easy-to-use,secure connection for home video distribution,conderence room presentation systems,classroom projection systems,digital signage and wherever a high definition video display is located.

Made of cold-rolled steel plate material, it is more durable and sturdy to use.

DTECH 1080P HDMI RS232 IR Function Fiber Video Extender 20km 4K 60Hz with KVM   Ⅰ. Product Parameters Product Name Fiber Extender with KVM Brand DTECH HDMI Version 4K@60Hz / HDCP2.2 HDMI Resolution The highest input resolution is 3840*2160@60Hz Audio Format L-PCM Fiber Wavelength 1310nm; 1550nm Fiber Transmission Distance 20km The Maximum Operating Current 1.5A/5V DC(TX), 1.2A/5V DC (RX) Operating Temperature Range -10℃～+55℃ WDimension (L x W x H) 106x106x17(mm) Weight TX:272.1g RX:273.1g Ⅱ. Product Introduction HDMI fiber extender is a device transmitting HD audio and video signal via bidirectional single fiber cable. It transmits your HD display with the high resolutions up to 20km. It support IR, RS232 and KVM function.By using bidirectional single fiber LC interface, it has the characteristics of low cost and stable signal transmission. It can be used in security monitoring, high-definition signals between buildings, square large screens and other long-distance HDMI signal transmission fields. Ⅲ. Product Features *Support HDMI 4K@60Hz/HDCP2.2; * Support transmitter HDMI Loop out; * Support 3.5mm stereo output; * Support IR; * Support KVM; * Support RS232; * Comply with SFP MSA and SFF-8472 standard protocol; * Pure hardware design, plug and play, do not need to install additional software; * Support 4K to 1080P resolution (Downscaling). Ⅳ. Product List 1: HDMI fiber extender transmitter 1PC 2: HDMI fiber extender receiver 1PC 3: DC 5V/2A power supply 2PCS 4: User manual 1PC 5: IR Cable 1PAIR

Converter is compatible with the RS - 232, RS - 485 standard, can be an RS - 232 signal is converted to Differential signaling of the RS - 485 / RS422, without external power supply, internal adopt unique "RS - 232 charge pump" drive the whole circuit; Circuit with zero delay automatic transceiver conversion device, prevent collision of the I/O circuit automatic control data flow direction, so as to ensure the programs written in the RS - 232 manner without change, can be in the safe operation of the RS - 485 / RS422 mode, and fully ensure that suitable for the operation of the existing software and hardware interface.

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      

Applicable to connecting computers with various serial devices.

DT-7144 HDMI Splitter is the perfect solution for 1 HDMI device to 4 HDMI devices with 4K.

Suitable for devices with standard HDMI interface, compatible with versions 2.0 and below.

Equipped with high-performance VL805 chip, the theoretical speed can reach 5Gbps.