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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 × EarFun Air 2 × Best on 1 fact
Most important facts
Lowest price € 61bol.com € 49bol.com best
Score not in our ranking 8.6
Customer rating – –
Active noise cancelling – None (assumed)
Bluetooth version – 5.3
Water and dust resistance – IPX7
Bluetooth codecs – SBC, LDAC
Multipoint – yes
Rank
Rank – rank 13 of 58 with an in-ear fit
Battery
Battery life without noise cancelling – 9 h
Battery life with the case – 40 h
Fast charge time – 10 min
Playback from a fast charge – 2 h
Full charge time – 90 min
Wireless charging – yes
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 same on both Dynamic Dynamic
Driver size same on both 10 mm 10 mm
Ear tip sizes in the box 3 –
Wired connection – None
Audio over USB-C – no (assumed)
Fit aids – Ear hooks
Controls – Touch
Microphones – 4
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 Wireless
Equaliser in the app – yes
Spatial audio – no (assumed)
Noise cancelling
Transparency mode – no (assumed)
Hearing aid function – no (assumed)
Wireless
Devices connected at once – 2
LE Audio – no (assumed)
Auracast – no (assumed)
Made for – Any phone
Wireless range – 15 m
In use
Wear detection – no (assumed)
App – EarFun Audio

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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