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Comparing 2 robot vacuums

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

Green is the best of these 2, also when they share the lead.

Truthear Zero Red × Best on 1 fact Soundcore Liberty 5 ×
Most important facts
Lowest price 71 €Amazon.de best 99 €Soundcore (brand store)
Score not in our ranking 8.9
Customer rating – ★ 4.4 · 30 reviews
Active noise cancelling – Adaptive
Battery life with noise cancelling – 8 h
Weight – 4.6 g
Bluetooth version – 5.4
Water and dust resistance – IP55
Bluetooth codecs – AAC, LDAC
Multipoint – yes
Rank
Rank – rank 2 of 52 with an in-ear fit
Battery
Battery life without noise cancelling – 12 h
Battery life with the case – 48 h
Fast charge time – 10 min
Playback from a fast charge – 5 h
Wireless charging – no (assumed)
Charging port – USB-C
Build and fit
Form factor same on both In-ear In-ear
True wireless no yes
Wireless no yes
Driver type Dynamic –
Driver size 10 mm 9.2 mm
Ear tip sizes in the box 3 6
Wired connection – None
Audio over USB-C – no (assumed)
Controls – Squeeze the stem
Microphones – 6
Sound
Lowest frequency 20 Hz –
Highest frequency 40,500 Hz –
Impedance 17.5 Ω –
Sensitivity 117.5 dB SPL –
Hi-Res Audio certified – Hi-Res Audio
Equaliser in the app – yes
Spatial audio – yes
Noise cancelling
Transparency mode – yes
Hearing aid function – no (assumed)
Wireless
Devices connected at once – 2
LE Audio – no (assumed)
Auracast – no (assumed)
Google Fast Pair – yes
Made for – Any phone
In use
Wear detection – 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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