HandFan
40 OZ Water Bottle Fan - HandFan Tumbler BM440 With Straw & Fan
40 OZ Water Bottle Fan - HandFan Tumbler BM440 With Straw & Fan
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40oz Water Bottle Fan – Stainless Steel Tumbler with Straw | HandFan BM440
The best water bottle for the USA doesn't just hold your drink — it cools you down too. The HandFan BM440 is a 40oz water bottle with a built-in rechargeable fan. giving you a true fan and water bottle combo in one leak-proof stainless steel tumbler.
Fan Water Bottle Technology: How the HandFan Built-In Fan Works
HandFan pioneered the water bottle fan category — a stainless steel tumbler with a whisper-quiet. rechargeable fan built into the lid. Unlike a regular bottle. this fan water bottle delivers personal airflow on demand. powered by a 5000mAh battery that runs continuously for 6–20 hours on a single charge. The fan is fully washable. USB-rechargeable. and detachable for easy cleaning.
5000mAh Battery
6–20 hours of fan runtime per charge
24Hr Cold / 6Hr Hot
Double-wall vacuum insulation
40oz with Straw
Straw + cleaning brush included
Travel Ready
Shoulder strap included. no leaks
Best Stainless Steel Water Bottle in the USA – Built to Last
- Food-grade 304 stainless steel — rust-free. BPA-free. built for daily use
- 40oz water bottle with straw included. plus a spare lid and straw cleaning brush
- Double-wall vacuum insulation keeps drinks cold for 24 hours. hot for 6 hours
- Leak-proof seal — no spills in your bag. car. or gym locker
- Vented design safely holds carbonated drinks (avoid vigorous shaking)
- Dimensions: 4.52 x 6.41 x 11.6 in (11.5 x 16.3 x 29.5 cm) — 1.98 lbs / 900g
If you've been comparing tumblers and searching for the best stainless steel water bottle. the BM440 combines premium-grade steel with cooling tech you won't find in a standard water bottle 40oz tumbler from any other US brand.
What's In the Box 🎁
1 × HandFan Insulated 40oz Tumbler (BM440)
1 × Spare Lid
1 × User Manual
1 × USB Charging Cable
1 × Shoulder Strap
1 × Straw Cleaning Brush
Who This 40oz Water Bottle Fan Is Perfect For
- Outdoor workers & hikers — stay hydrated and cool on long shifts or trails
- Gym-goers — 40oz capacity means fewer refills between sets
- Travelers — the shoulder strap makes it airport- and road-trip-friendly
- Parents — durable. leak-proof. and easy for on-the-go family days
HandFan BM440 vs. a Regular 40oz Tumbler
| Feature | HandFan BM440 | Regular 40oz Tumbler |
|---|---|---|
| Built-in cooling fan | Yes — 5000mAh. 6–20 hrs | No |
| Insulation | Cold 24 hrs / Hot 6 hrs | Varies. often less |
| Straw included | Yes. with cleaning brush | Sometimes extra cost |
| Material | Food-grade 304 stainless steel | Varies |
| Carry strap | Included | Rarely included |
40oz Water Bottle Fan – Frequently Asked Questions
Is this a 40oz water bottle with a straw?
Yes. The BM440 is a 40oz stainless steel tumbler that ships with a straw and a straw cleaning brush included.
How long does the fan on this water bottle run?
The built-in 5000mAh battery powers the fan for 6 to 20 hours per charge. and it's rechargeable via USB and fully washable.
How long does this 40oz tumbler keep drinks cold?
Drinks stay cold for up to 24 hours and hot for up to 6 hours thanks to double-wall vacuum insulation.
What is the best stainless steel water bottle for daily use in the USA?
For everyday use across gym. travel. hiking. and office settings. the HandFan BM440 40oz tumbler combines food-grade 304 stainless steel with a built-in cooling fan — a combination not offered by standard water bottle brands in the US market.
Can I use this fan water bottle for carbonated drinks?
Yes. the vented design is built to safely hold carbonated drinks like soda — just avoid shaking it vigorously.
Do you ship this water bottle across the USA?
Yes. HandFan ships nationwide across the USA. Use code HANDFAN at checkout for 15% off your order.
Get Your 40oz Water Bottle Fan Today
Available in Black. Blue. and Pink.
