Technological services and research and design relating thereto; design for others in the field of communications and networks; custom design services; custom design, design, and development of computer hardware and software, electronic telecommunications apparatus and instruments, optical apparatus and instruments, optical communication apparatus and instruments, apparatus for the recording, transmission or reproduction of sound, images and data, computer networks, microprocessors, telecommunications switches, data switches, data centre switches, unified fabric switches, optical switches, opto-electronic switches, optical modulators, passive optical components, optical multiplexers and demultiplexers, optical interconnects, integrated optical devices, integrated optical modules, integrated optical/electronic modules, computer chips, computer chipsets, photonic chips, photonic chipsets, silicon photonic chips, silicon photonic chipsets, hybrid optical/electronic chips, hybrid optical/electronic circuits, integrated circuits computer chipsets, lasers, photodetectors, avalanche photodetectors; consultancy, testing, research, advisory, and technical support services, all relating to computer hardware and software, electronic telecommunications apparatus and instruments, optical apparatus and instruments, optical communication apparatus and instruments, apparatus for the recording, transmission or reproduction of sound, images and data, computer networks, microprocessors, telecommunications switches, data switches, data centre switches, unified fabric switches, optical switches, opto-electronic switches, optical modulators, passive optical components, optical multiplexers and demultiplexers, optical interconnects, integrated optical devices, integrated optical modules, integrated optical/electronic modules, computer chips, computer chipsets, photonic chips, photonic chipsets, silicon photonic chips, silicon photonic chipsets, hybrid optical/electronic chips, hybrid optical/electronic circuits, integrated circuits computer chipsets, lasers, photodetectors, avalanche photodetectors; providing online non-downloadable computer software; non-downloadable computer software for tracking fitness, health and wellness goals and statistics; non-downloadable computer software for displaying, aggregating, analysing and organising data and information in the fields of health, wellness, fitness, physical activity, weight management, sleep, and nutrition; custom design, design, and development of optical transmitters and receivers, imaging apparatus and devices, 3D imaging apparatus and devices, sensors and detectors, optical sensors and detectors, LiDAR (Light Detection and Ranging) sensors, controllers for sensors and detectors, coherent sensors, biometric sensors, sensors for scientific use to be worn by a human to gather human biometric data, electronic switches, semiconductor chips, semiconductor chipsets, spectrophotometers, spectrometers, spectroscopes, accelerometers, equipment, apparatus and devices for communications, including wireless communications, data communications and telecommunications, equipment, apparatus and devices for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, electronic control apparatus, electronic control apparatus including sensors, electronic control apparatus for sensors, equipment, apparatus and devices for controlling, recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring and retrieving signals, information, data, biometric data collected from sensors, computer software for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, mobile application software for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, computers, portable computers, wearable computers, smart phones, wearable smart phones, smart glasses, ear pieces, body patches, headsets, head-mounted display apparatus, smart watches, smart wristbands, wearable activity trackers, smart bracelets, smart rings, jewellery that communicates data, telecommunication apparatus in the form of jewellery; custom design, design, and development of sensors and detectors for medical use, medical apparatus for measuring biometric data, including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, sensor apparatus for medical use, medical devices, medical devices, apparatus and instruments for monitoring, measuring, recording, storing, processing, and displaying biometric data, medical devices, apparatus and instruments for monitoring, measuring, recording, storing, processing, and displaying biometric data including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, ketone bodies including acetone in breath, implantable devices for monitoring, measuring, recording, storing, processing, and displaying biometric data, implantable devices for monitoring, measuring, recording, storing, processing, and displaying biometric data including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, ketone bodies including acetone in breath, medical devices, apparatus and instruments for skin cancer screening and characterisation, medical devices, apparatus and instruments for measuring body weight and estimating body fat percentage, medical devices, apparatus and instruments for recording or assessing physical performance, sensors, monitors and displays for medical use, general health-related instruments and apparatus for monitoring, measuring, recording, storing, processing, and displaying biometric data, body movement, sleep, heart rate, and calories burned; custom design, design, and development of horological and chronometric instruments, watches, timepieces, chronometers, watch straps, watch bands, cases for watches and horological and chronometric instruments, jewellery, bracelets, necklaces, pendants, watches for outdoor use, sports watches; custom design, design, and development of wearable clothing, footwear, headgear incorporated with body sensors; consultancy, testing, research, advisory, and technical support services, all relating to of optical transmitters and receivers, imaging apparatus and devices, 3D imaging apparatus and devices, sensors and detectors, optical sensors and detectors, LiDAR (Light Detection and Ranging) sensors, controllers for sensors and detectors, coherent sensors, biometric sensors, sensors for scientific use to be worn by a human to gather human biometric data, electronic switches, semiconductor chips, semiconductor chipsets, spectrophotometers, spectrometers, spectroscopes, accelerometers, equipment, apparatus and devices for communications, including wireless communications, data communications and telecommunications, equipment, apparatus and devices for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, electronic control apparatus, electronic control apparatus including sensors, electronic control apparatus for sensors, equipment, apparatus and devices for controlling, recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring and retrieving signals, information, data, biometric data collected from sensors, computer software for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, mobile application software for recording, organising, reproducing, storing, processing, manipulating, transmitting, broadcasting, displaying, monitoring, retrieving and reproducing music, sounds, images, text, signals, information, data, biometric data and code, computers, portable computers, wearable computers, smart phones, wearable smart phones, smart glasses, ear pieces, body patches, headsets, head-mounted display apparatus, smart watches, smart wristbands, wearable activity trackers, smart bracelets, smart rings, jewellery that communicates data, telecommunication apparatus in the form of jewellery; consultancy, testing, research, advisory, and technical support services, all relating to sensors and detectors for medical use, medical apparatus for measuring biometric data, including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, sensor apparatus for medical use, medical devices, medical devices, apparatus and instruments for monitoring, measuring, recording, storing, processing, and displaying biometric data, medical devices, apparatus and instruments for monitoring, measuring, recording, storing, processing, and displaying biometric data including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, ketone bodies including acetone in breath, implantable devices for monitoring, measuring, recording, storing, processing, and displaying biometric data, implantable devices for monitoring, measuring, recording, storing, processing, and displaying biometric data including blood pressure, oxygen saturation, hemoglobin, carboxyhemoglobin, methemoglobin, brain oximetry, muscle oximetry, pulse oximetry, blood lactate, blood glucose, skin hydration, total body hydration, photoplethysmography (PPG), speckle plethysmography (SPG), core body temperature, local body temperature, blood alcohol level, heart rate and heart rate variability, ketone bodies including acetone in breath, medical devices, apparatus and instruments for skin cancer screening and characterisation, medical devices, apparatus and instruments for measuring body weight and estimating body fat percentage, medical devices, apparatus and instruments for recording or assessing physical performance, sensors, monitors and displays for medical use, general health-related instruments and apparatus for monitoring, measuring, recording, storing, processing, and displaying biometric data, body movement, sleep, heart rate, and calories burned; consultancy, testing, research, advisory, and technical support services, all relating to horological and chronometric instruments, watches, timepieces, chronometers, watch straps, watch bands, cases for watches and horological and chronometric instruments, jewellery, bracelets, necklaces, pendants, watches for outdoor use, sports watches; consultancy, testing, research, advisory, and technical support services, all relating to wearable clothing, footwear, headgear incorporated with body sensors; information, consultancy and advisory services relating to all the aforesaid services.