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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.

Nothing Ear (a) × Best on 2 facts Soundcore P40i × Best on 3 facts Soundcore Liberty 4 NC × Best on 1 fact
Most important facts
Lowest price – $79Soundcore (brand store) best $99Soundcore (brand store)
Score 8.4 9.8 9.9 best
Customer rating ★ 4.5 · 61 reviews best – ★ 4.3 · 217 reviews
Active noise cancelling same on all Adaptive Adaptive Adaptive
Battery life with noise cancelling 5.5 h 10 h best 8 h
Weight 4.6 g best – 5.2 g
Bluetooth version same on all 5.3 5.3 5.3
Water and dust resistance IP54 IPX5 best IPX4
Bluetooth codecs SBC, AAC, LDAC – LDAC
Multipoint same on all yes yes yes
Rank
Rank rank 27 of 28 with an in-ear fit rank 6 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 12 h 10 h
Battery life with the case 42.5 h 60 h 50 h
Fast charge time same on all 10 min 10 min 10 min
Playback from a fast charge 10 h 5 h 4 h
Wireless charging no (assumed) yes yes
Charging port USB-C – –
Build and fit
Form factor same on all In-ear In-ear In-ear
True wireless same on all yes yes yes
Wireless same on all yes yes yes
Wired connection same on all None None None
Audio over USB-C same on all no (assumed) no (assumed) no (assumed)
Driver type Dynamic – –
Driver size 11 mm 11 mm –
Case weight 39.6 g – –
Controls Squeeze the stem Touch Touch
Remappable controls Some controls Some controls –
Microphones same on all 6 6 6
Warranty and support
Launched 2024-04-18 – –
Warranty – 2 years –
Sound
Hi-Res Audio certified Hi-Res Audio – Hi-Res Audio Wireless
Equaliser in the app same on all yes yes yes
Spatial audio no (assumed) no (assumed) yes
Lowest frequency – – 20 Hz
Highest frequency – – 40,000 Hz
Noise cancelling
Noise cancelling control Set levels – –
Transparency mode same on all yes yes yes
Hearing aid function same on all no (assumed) no (assumed) no (assumed)
Wireless
LE Audio no (assumed) no (assumed) –
Auracast same on all no (assumed) no (assumed) no (assumed)
Google Fast Pair yes – yes
Made for same on all Any phone Any phone Any phone
Wireless range – – 10 m
In use
Wear detection yes no (assumed) yes
App Nothing X – –

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