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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.

318 articles


  • News + Trends

    You can repair this modular cordless vacuum cleaner yourself

    by Lorenz Keller

  • News + Trends

    Navee UT5 Ultra X: This e-scooter has all-wheel drive

    by Lorenz Keller

  • News + Trends

    Vacuum robots spray fragrance and soak up stains

    by Lorenz Keller

  • News + Trends

    This robot hoover has legs and can even climb stairs

    by Lorenz Keller

  • News + Trends

    This robot washes and cleans for you

    by Lorenz Keller

  • News + Trends

    The new Samsung Freestyle projector is twice as bright

    by Lorenz Keller

  • Guide

    Finding the best 20,000 mAh powerbank

    by Lorenz Keller

  • News + Trends

    3000 nits, GPS and long runtime: this is what the Amazfit Active Max can do

    by Lorenz Keller

  • Opinion

    When AI films and analyses every minute of your life

    by Lorenz Keller

  • News + Trends

    FiiO Snowsky Disc brings back the MP3 feeling of the 2000s

    by Lorenz Keller

  • Product test

    Roomba Max 705 in an everyday test: good idea, weak implementation

    by Lorenz Keller

  • Guide

    These are the best robot hoovers on the market

    by Lorenz Keller

  • News + Trends

    iRobot is bankrupt - and is being taken over

    by Lorenz Keller

  • Background information

    This robot vacuum cleaner test’s embarrassing, «Kassensturz»!

    by Lorenz Keller

  • Guide

    Qi2 test revelations: iPhone charges faster with the competition

    by Lorenz Keller

  • Product test

    BenQ Helo 2: the best screen bar so far

    by Lorenz Keller

  • News + Trends

    Realme GT 8 Pro comes with a huge battery and Ricoh camera system

    by Lorenz Keller

  • Guide

    Roller or roller - which mops the floor better?

    by Lorenz Keller

  • Product test

    Why the Mova Z60 Ultra Roller Complete could be a bargain

    by Lorenz Keller

  • News + Trends

    Spot+Scrub AI: Dyson dares to make a comeback with robot hoovers

    by Lorenz Keller

  • Product test

    I swapped sitting for strolling with this under-desk treadmill

    by Lorenz Keller

  • News + Trends

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

    by Lorenz Keller

  • Product test

    The second selfie monitor test is also a flop

    by Lorenz Keller

  • 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

  • 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