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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.

293 articles


  • 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

  • Product test

    This lock is also an AirTag – but why?

    by Lorenz Keller

  • Background information

    Fishing in the centre of the city: my street fishing adventure in Hamburg

    by Lorenz Keller

  • News + Trends

    Swiss start-up wants to extend life with Smartring

    by Lorenz Keller

  • Product test

    Ninja Slushi: worth the hype?

    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

  • Guide

    Copy vs. original: Which slushie machine makes the better iced drinks?

    by Lorenz Keller

  • Product test

    Samsung’s AI vacuum cleaner: full features, full performance – but only half-smart

    by Lorenz Keller

  • Background information

    New electric motor scooter rules: how fast can you ride and how many passengers are you allowed?

    by Lorenz Keller

  • Guide

    Compact and surprising: How good are Helvetiq's mini-games?

    by Lorenz Keller

  • Guide

    Window cleaning robots compared: which Winbot wins?

    by Lorenz Keller

  • Opinion

    This electric pump is the best gadget I’ve bought

    by Lorenz Keller

  • News + Trends

    PencilVac: the thinnest and lightest Dyson hoover ever

    by Lorenz Keller

  • News + Trends

    The new outdoor lights from Philips now have replaceable lamps

    by Lorenz Keller

  • Product test

    Ecovacs Winbot Mini: the cheapest window cleaner’s totally fine

    by Lorenz Keller

  • Product test

    Polly under the vacuum cleaner: dog coat care with the Neakasa P2 Pro

    by Lorenz Keller

  • News + Trends

    Philips launches original spare parts for razors from the 3D printer

    by Lorenz Keller

  • Product test

    RingConn Gen 2 Air: How good is the affordable smart ring without a subscription?

    by Lorenz Keller

  • Product test

    Navee ST3 Pro review: good suspension for rough ground

    by Lorenz Keller

  • Opinion

    7 reasons why you shouldn’t go to Disneyland Paris

    by Lorenz Keller

  • Product test

    Roborock Saros 10 review: the best premium all-rounder?

    by Lorenz Keller

  • Background information

    The new top model from Navee is incredibly well sprung

    by Lorenz Keller

  • Product test

    DJI Osmo Pocket 3: the best video camera for travelling

    by Lorenz Keller

  • News + Trends

    You can use this device to print your own mobile phone cases or mugs

    by Lorenz Keller

  • News + Trends

    Listen to vinyl anywhere: Toshiba launches portable record player with rechargeable battery

    by Lorenz Keller