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Comparing 3 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

Green is the best of these 3, also when they share the lead.

Truthear Zero Red × Soundcore P40i × Best on 1 fact Soundcore Liberty 5 ×
Most important facts
Lowest price 73 €Amazon.de 69 €Soundcore (brand store) best 99 €Soundcore (brand store)
Score not in our ranking 8.9 8.9
Customer rating – – ★ 4.4 · 30 reviews
Active noise cancelling – Adaptive Adaptive
Battery life with noise cancelling – 10 h 8 h
Weight – – 4.6 g
Bluetooth version – 5.3 5.4
Water and dust resistance – IPX5 IP55
Bluetooth codecs – – AAC, LDAC
Multipoint – yes yes
Rank
Rank – rank 7 of 52 with an in-ear fit rank 2 of 52 with an in-ear fit
Battery
Battery life without noise cancelling – 12 h 12 h
Battery life with the case – 60 h 48 h
Fast charge time – 10 min 10 min
Playback from a fast charge – 5 h 5 h
Wireless charging – yes no (assumed)
Charging port – – USB-C
Build and fit
Form factor same on all In-ear In-ear In-ear
True wireless no yes yes
Wireless no yes yes
Driver type Dynamic – –
Driver size 10 mm 11 mm 9.2 mm
Ear tip sizes in the box 3 – 6
Wired connection – None None
Audio over USB-C – no (assumed) no (assumed)
Controls – Touch Squeeze the stem
Remappable controls – Some controls –
Microphones – 6 6
Warranty and support
Warranty – 2 years –
Sound
Lowest frequency 20 Hz – –
Highest frequency 40,500 Hz – –
Impedance 17.5 Ω – –
Sensitivity 117.5 dB SPL – –
Equaliser in the app – yes yes
Spatial audio – no (assumed) yes
Hi-Res Audio certified – – Hi-Res Audio
Noise cancelling
Transparency mode – yes yes
Hearing aid function – no (assumed) no (assumed)
Wireless
LE Audio – no (assumed) no (assumed)
Auracast – no (assumed) no (assumed)
Made for – Any phone Any phone
Devices connected at once – – 2
Google Fast Pair – – yes
In use
Wear detection – no (assumed) no (assumed)

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

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