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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.

Nothing Ear (a) × Best on 3 facts Soundcore Liberty 4 NC × Best on 2 facts
Most important facts
Lowest price – $99Soundcore (brand store)
Score 8.4 9.9 best
Customer rating ★ 4.5 · 61 reviews best ★ 4.3 · 217 reviews
Active noise cancelling same on both Adaptive Adaptive
Battery life with noise cancelling 5.5 h 8 h best
Weight 4.6 g best 5.2 g
Bluetooth version same on both 5.3 5.3
Water and dust resistance IP54 best IPX4
Bluetooth codecs SBC, AAC, LDAC LDAC
Multipoint same on both yes yes
Rank
Rank rank 27 of 28 with an in-ear fit rank 1 of 28 with an in-ear fit
Battery
Battery life without noise cancelling 9.5 h 10 h
Battery life with the case 42.5 h 50 h
Fast charge time same on both 10 min 10 min
Playback from a fast charge 10 h 4 h
Wireless charging no (assumed) yes
Charging port USB-C –
Build and fit
Form factor same on both In-ear In-ear
True wireless same on both yes yes
Wireless same on both yes yes
Wired connection same on both None None
Audio over USB-C same on both no (assumed) no (assumed)
Driver type Dynamic –
Driver size 11 mm –
Case weight 39.6 g –
Controls Squeeze the stem Touch
Remappable controls Some controls –
Microphones same on both 6 6
Warranty and support
Launched 2024-04-18 –
Sound
Hi-Res Audio certified Hi-Res Audio Hi-Res Audio Wireless
Equaliser in the app same on both yes yes
Spatial audio no (assumed) yes
Lowest frequency – 20 Hz
Highest frequency – 40,000 Hz
Noise cancelling
Noise cancelling control Set levels –
Transparency mode same on both yes yes
Hearing aid function same on both no (assumed) no (assumed)
Wireless
LE Audio no (assumed) –
Auracast same on both no (assumed) no (assumed)
Google Fast Pair same on both yes yes
Made for same on both Any phone Any phone
Wireless range – 10 m
In use
Wear detection same on both yes yes
App Nothing X –

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