Portable Handheld Fan with LED Semiconductor Cooling and 100 Speeds | BronAir©
Semiconductor cooling · 100 speeds · LED display
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It doesn't just move air — it actively cools the contact surface with Peltier thermoelectric technology for immediate cooling
Precise intensity control — find your exact comfort point between a minimum whisper and maximum power
You know exactly how much battery life you have left and what speed it's running at — no guessing or being surprised by a dead battery
Fits in any bag or backpack — charge it like your phone and take it to the beach, market, subway, or festival
Conventional fans move air that is already hot — they refresh, but they don't truly cool. This fan incorporates a Peltier semiconductor module that extracts heat from the contact surface and dissipates it on the opposite side, creating an actively colder zone. The result is a significantly more intense cooling sensation than with a fan with blades only — especially on the wrist, neck, or face.
The 100-speed regulation is not a gimmick — it's the difference between a perfect breeze for reading at the beach and the maximum power you need when getting off the subway in August. The touch dial adjusts the speed continuously and the LED display shows the exact level (1-100) in real time. The USB-C rechargeable battery lasts between 2 and 6 hours depending on the speed and active or passive semiconductor mode.
| Cooling technology: | Active Peltier semiconductor |
| Speeds: | 100 adjustable levels |
| Display: | Digital LED — battery + speed |
| Charging: | USB rechargeable |
| Approx. battery life: | 2-6h depending on speed and mode |
| Material: | High-quality ABS |
| Use while charging: | ✅ Yes |
| Colors: | Pale yellow, Gray |
| Ideal for: | Outdoors, beach, public transport, travel, office without AC |
A conventional handheld fan moves ambient air — if the environment is at 38°C, the air you receive is also at 38°C. The semiconductor module of this fan actively lowers the surface temperature by up to ~10°C below ambient when in contact with the skin. It's not air conditioning, but it's the next level of portable cooling available without grid electricity.
The BronAir© Semiconductor Fan is available in two colors (Pale yellow and Gray) with immediate stock. Charge it the night before, take it in your bag, and activate the semiconductor when you need it most. Any questions or issues — write to us at info@bronmart.com and we will resolve it immediately.
In direct contact with the skin, the semiconductor surface can be 8-12°C below ambient temperature when in active cooling mode. It's not air conditioning — it's a localized cooling point for the wrist, neck, or face. Combined with the airflow, the cooling sensation is significantly more intense than with a conventional fan.
They are 100 real continuous regulation levels — the brushless motor allows fine adjustment of the rotation speed continuously. The difference between each level is small but noticeable, especially in the low ranges (1-30) where the breeze intensity control is finer.
Perfectly while moving — it is designed for outdoor use: beach, market, festival, public transport, or hiking. Its compact size and ergonomic design allow you to hold it comfortably for hours without fatigue.
Yes, active semiconductor mode consumes approximately 2x more battery than fan-only mode. For maximum autonomy, use the semiconductor in short bursts (5-10 min) and the fan only the rest of the time. This way you get the best balance between cooling and battery life.