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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 1 fact Sony WF-C510 × Best on 1 fact Soundcore P40i × Best on 1 fact
Most important facts
Lowest price 59 €Saturn 34 €Amazon.de best 50 €Amazon.de
Score 8.0 8.3 8.9 best
Customer rating ★ 4.5 · 60 reviews best ★ 4.2 · 46 reviews –
Active noise cancelling Adaptive None (assumed) Adaptive
Battery life with noise cancelling 5.5 h – 10 h
Weight 4.6 g 4.6 g –
Bluetooth version same on all 5.3 5.3 5.3
Water and dust resistance IP54 IPX4 IPX5
Bluetooth codecs SBC, AAC, LDAC SBC, AAC –
Multipoint same on all yes yes yes
Rank
Rank rank 44 of 52 with an in-ear fit rank 35 of 52 with an in-ear fit rank 7 of 52 with an in-ear fit
Battery
Battery life without noise cancelling 9.5 h 11 h 12 h
Battery life with the case 42.5 h – 60 h
Fast charge time 10 min 5 min 10 min
Playback from a fast charge 10 h 1 h 5 h
Wireless charging no (assumed) no (assumed) yes
Charging port USB-C USB-C –
Full charge time – 90 min –
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 31 g –
Controls Squeeze the stem – Touch
Remappable controls same on all Some controls Some controls Some controls
Microphones 6 – 6
Warranty and support
Launched 2024-04-18 – –
Warranty – – 2 years
Sound
Hi-Res Audio certified Hi-Res Audio – –
Equaliser in the app same on all yes yes yes
Spatial audio no (assumed) yes no (assumed)
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 same on all no (assumed) no (assumed) no (assumed)
Auracast same on all no (assumed) no (assumed) no (assumed)
Google Fast Pair yes – –
Made for same on all Any phone Any phone Any phone
Devices connected at once – 2 –
Wireless range – 10 m –
In use
Wear detection yes no (assumed) no (assumed)
App Nothing X Sony | Sound Connect –

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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