# Air purifier and deodorizer Rojeco Haobai Smart Odor Absorber 4000mAh battery

**URL:** https://aio.lv/en/product--rojeco-rjwq-02--11185813
**Data updated:** 2025-12-11 08:42 (EET)
**Category:** Pet Hygiene & Care
**Manufacturer:** Rojeco
**Manufacturer code:** RJWQ-02
**EAN:** 6975116294589
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rojeco-rjwq-02--11185813

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Rojeco Haobai Smart Odor Absorber is a compact air purifier and deodorizer powered by a 4000mAh rechargeable battery. Designed to reduce odors and improve air freshness in small spaces, it combines smart operation and portable use for cars, offices, bedrooms or closets. The unit offers quiet performance and cordless convenience for continuous or intermittent odor control.

## Long description

ROJECO Haobai Smart Odor Absorber 4000mAh is a compact air purifier and deodorizer designed to reduce litter box and small-space odors. The unit combines oxygen and negative-ion purification technology with a 4000mAh rechargeable battery to neutralize unpleasant smells, capture dust particles and reduce bacteria and viruses with up to 99% efficiency. Its small ABS housing can be mounted on various surfaces and is operated by a single button for convenient, cordless use.
Advantages
The device provides quiet operation at under 20 dB, long runtime of approximately seven days on a single charge, and two intelligent modes—intermittent and induction—that adapt to the presence and rhythm of your pet. It uses oxygen plus negative ions for odor purification and is easy to mount and operate. Recharge is via USB (DC 5V/1A), and the purifier is lightweight and portable for use in litter areas, cars, closets or small rooms.
Suitable for
Cats and small to medium-sized pets
Litter boxes and pet areas
Small rooms, closets and car interiors
Key specifications
Manufacturer: Rojeco
Model: RJWQ-02
Material: ABS
Odor purification efficiency: ≥99%
Rechargeable battery: 4000mAh / 3.7V
Input: DC 5V / 1A (USB charging)
Operation modes: Intermittent mode / Induction mode
Odor purification method: Oxygen + negative ions
Noise level: \<20 dB
Charging time: approx. 5.5 h
Operating time: approx. 7 days
How to use
Mount the ROJECO Haobai unit on a suitable surface near the litter box or in the target small space. Charge the device fully using the supplied USB cable (DC 5V/1A) before first use. Turn the device on with the single button and select the desired mode: intermittent cycles (30, 45 or 60 minutes with 10 minutes on / 5 minutes off) or induction mode, which pauses when a pet is nearby and resumes after it leaves. If no pet is detected for six hours the device performs an automatic 10-minute cleaning cycle.
Usage recommendations
Place the absorber where airflow is not obstructed and out of reach of curious paws. Recharge the unit after the indicator shows low battery and clean the surrounding area regularly to maintain optimal performance.

## FAQ

### How much does the Rojeco Haobai Smart Odor Absorber 4000mAh cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 148 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rojeco products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rojeco service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11185813/61951851_large.webp