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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.

295 articles


  • News + Trends

    This is the best cordless vacuum cleaner - according to "Saldo" magazine

    by Lorenz Keller

  • Product test

    Cheap vlogging monitor review: solid idea, poorly implemented

    by Lorenz Keller

  • Guide

    Braun or Philips – who makes the better shaver?

    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

  • Guide

    If Apple did razors, they’d be designed like this

    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

    With Haier you can forget about washing for 12 hours

    by Lorenz Keller

  • News + Trends

    It took over 125 years: Miele builds a grill for the first time

    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

  • News + Trends

    Miele innovation: Water will never boil over on this cooker again

    by Lorenz Keller

  • News + Trends

    This drawer can cook food

    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

  • 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