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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.

227 articles


  • Background information

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

    by Lorenz Keller

  • Guide

    Window cleaning robots compared: which Winbot wins?

    by Lorenz Keller

  • Product test

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

    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

  • 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

  • Product test

    Segway ZT3 Pro D tested: robust e-scooter for comfortable excursions

    by Lorenz Keller

  • News + Trends

    Amazfit Bip 6: affordable sports watch that can do almost everything

    by Lorenz Keller

  • News + Trends

    Samsung also builds screens and AI into fridges and washing machines

    by Lorenz Keller

  • News + Trends

    Garmin now also relies on a subscription model

    by Lorenz Keller

  • Product test

    Testing the FIIO JM21 – the high-res era Walkman

    by Lorenz Keller

  • Product test

    Dreame X50 Ultra – the robot vacuum cleaner with legs

    by Lorenz Keller

  • News + Trends

    iRobot upgrades: New Roomba models with Lidar and automatic mop cleaning

    by Lorenz Keller

  • News + Trends

    TCS and "Kassensturz" test cheap e-scooters: none are good

    by Lorenz Keller

  • News + Trends

    New controller: wristband measures finger gestures and hand movements

    by Lorenz Keller

  • News + Trends

    Who will be the new jungle king of rugged phones?

    by Lorenz Keller

  • News + Trends

    Robot lawn mower from Anker and Eufy is even more autonomous than the competition

    by Lorenz Keller

  • News + Trends

    TCL launches affordable smartphone with e-reader feel and matte screen

    by Lorenz Keller

  • News + Trends

    Mother-of-pearl back and colour variation: every Realme 14 Pro is unique

    by Lorenz Keller

  • News + Trends

    Tried out the Lenovo prototype: I use the ring to navigate through 3D worlds

    by Lorenz Keller

  • News + Trends

    Xiaomi 5 Max: E-scooter automatically regulates power when starting and travelling uphill

    by Lorenz Keller

  • News + Trends

    Lenovo's ideas for laptop displays: expandable, fold-out or clickable

    by Lorenz Keller

  • News + Trends

    Tracker analyses health values every time you go to the toilet

    by Lorenz Keller

  • Product test

    Samsung Ring test: take a photo with the flick of a finger

    by Lorenz Keller

  • Product test

    Plaude Note is the best voice recorder on the market

    by Lorenz Keller

  • News + Trends

    The new Oppo folding phone is almost as thin as an iPhone

    by Lorenz Keller

  • News + Trends

    With projector and night vision: perhaps the craziest smartphone in the world

    by Lorenz Keller

  • Product test

    Oura 4 review: is a smart ring subscription worth it?

    by Lorenz Keller