Wearable
Jisulife Portable Neck Fan 3
Hands-free, whisper-quiet cooling that follows you.
£39.99or 3 × £13.33 interest-free
- 13.5-hour battery on a single charge
- Whisper-quiet 25 dB at full speed
- Five speeds, bladeless 360° airflow
- 258 g — light enough to forget it is there
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13.4% slower reaction times (and 13.3% slower working-memory responses) measured in homes without cooling during a real heatwave, versus air-conditioned homes. Cedeño Laurent et al., PLoS Medicine, 2018
Running costs
What does a cool night actually cost?
8h
1h24h
Electricity rate
Jisulife Portable Neck Fan 3 draws just 5.5W — about the same as an old lightbulb.
Your cool night costs
≈ 0pper night
Per week£0.08
Per month of summer use£0.32
Same month with portable AC£70.56
Based on 5.5W at 24.5p/kWh (uk avg). Your tariff may vary — it'll still be pennies.
- Tank capacity
- 0 L
- Noise
- 25 dB (max)
- Power
- 5.5 W
- Height
- 20 cm
- Weight
- 0.258 kg
- Room size
- up to 1 m²
- Speeds
- 3 + sleep
- Timer
- 12 h
- Controls
- Remote & touch panel
How loud is it?
Quieter than your conversation.
Whisper
25 dB
Jisulife Portable Neck Fan 3
25 dB
Conversation
60 dB
Vacuum cleaner
75 dB
Quiet enough for TV evenings; sleep mode drops it lower.
The spec sheet
What it actually does, in numbers.
<1p
per hour to run
based on uk avg electricity rates
0L tank — real runtime between refills
Airflow per spec sheet
25 dB — noise at max speed
| Noise | 25 dB |
| Power draw | 5.5 W |
| Height | 20 cm |
| Weight | 0.258 kg |
| Running cost | <1p/hour |
| Covers rooms to | 1 m² |
Every spec on this page comes from the manufacturer's data sheet. We don't invent airflow figures or noise ratings — if a unit can't meet its claims, it doesn't go in the range.
