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Lorenz Keller

Gadgets are my passion - whether you need them for the home office, for the household, for sport and pleasure or for the smart home. Or, of course, for the big hobby next to the family, namely fishing.

260 articles


  • Background information

    Robotic vacuum cleaners can do almost nothing without Wi-Fi and an app

    by Lorenz Keller

  • Product test

    Cheap vlogging monitor review: solid idea, poorly implemented

    by Lorenz Keller

  • News + Trends

    Honor launches mobile with retractable robot camera

    by Lorenz Keller

  • News + Trends

    Dreame brings competition to Philips Hue, Wiz and Govee

    by Lorenz Keller

  • Product test

    Dreame proves: Roll has a future and replaces mops

    by Lorenz Keller

  • Guide

    My favourite mobile case: not beautiful, but practical

    by Lorenz Keller

  • Product test

    Chargers don’t get much prettier than the Sharge Pixel, but it sure is pricey

    by Lorenz Keller

  • News + Trends

    This crazy charger powers six gadgets via Qi2

    by Lorenz Keller

  • News + Trends

    Robot vacuum extracts moisture from the air and regenerates waste water

    by Lorenz Keller

  • News + Trends

    Reolink: AI describes what the security camera sees

    by Lorenz Keller

  • News + Trends

    The Dreame's gripper arm also vacuums in gaps and crevices

    by Lorenz Keller

  • News + Trends

    T-Rex 3 Pro: Amazfit's sports watch for extreme use

    by Lorenz Keller

  • News + Trends

    This is how skilfully the Dreame vacuum cleaner climbs stairs

    by Lorenz Keller

  • News + Trends

    Eufy Marswalker: The first robot vacuum that can climb stairs

    by Lorenz Keller

  • News + Trends

    The new cordless vacuum cleaner from Dyson presses the dirt

    by Lorenz Keller

  • News + Trends

    Presented at the IFA: Roborock now also brings robotic lawn mowers

    by Lorenz Keller

  • News + Trends

    The new Garmin Fenix 8 Pro has a micro LED screen

    by Lorenz Keller

  • Product test

    Amazfit's first smart ring is impressive - until the battery dies

    by Lorenz Keller

  • Product test

    Mamibot iGlassbot W200 Skybot: affordable, quiet – but unreliable

    by Lorenz Keller

  • Product test

    Roborock Saros Z70: how good is the first ever robot vacuum with a mechanical arm?

    by Lorenz Keller

  • Opinion

    Livescope fishing: fascinating but controversial

    by Lorenz Keller

  • Background information

    Drones, robots, cameras – they all have this Swiss chip

    by Lorenz Keller

  • News + Trends

    This terracotta roof is made of solar cells

    by Lorenz Keller

  • Product test

    A robot vacuum cleaner with a roller instead of a mop – what’s the point?

    by Lorenz Keller

  • News + Trends

    Swiss start-up wants to extend life with Smartring

    by Lorenz Keller

  • Guide

    Philips Hue versus Wiz: which is the better smart light for your TV?

    by Lorenz Keller

  • News + Trends

    This robot hoover mops the floor and cleans itself

    by Lorenz Keller

  • Product test

    Devolo 5G router: fast, stable Wi-Fi using the mobile network

    by Lorenz Keller

  • Product test

    A polarising ring: no subscription and a good app – but with weaknesses

    by Lorenz Keller

  • Product test

    Segway Max G3 D review: great value for money

    by Lorenz Keller

  • News + Trends

    Swiss mobile phone manufacturer Punkt now produces in Europe

    by Lorenz Keller

  • Product test

    Onyx Boox Palma 2 review: top-notch e-reader, lousy mini tablet

    by Lorenz Keller

  • Product test

    The Mova P50 Pro Ultra is everything a robot vacuum cleaner should be

    by Lorenz Keller