Oral-B iO Series 4 Electric Toothbrush (Black Onyx) by Oral-B in Australia. Lowest price $119.00 at eBay, last checked 19 Apr 2026. Compared across 6 retailers on WhatsCheap.
- Product
- Oral-B iO Series 4 Electric Toothbrush (Black Onyx)
- Brand
- Oral-B
- Category
- Electric Toothbrushes
- Country
- Australia
- Lowest price (AUD)
- 119.00
- Retailer
- eBay
- Price checked
- 19 Apr 2026
Up to 69% OFF
Oral-B iO Series 4 Electric Toothbrush (Black Onyx)
by Oral-B
4.5(4K)
Best Price
$119.00$379.00
at eBay · checked 19 Apr 2026
The iO 4 electric toothbrush features Oral-B’s best technology, combining a dentist-inspired round brush head with micro-vibrating bristles for a professional purifying clean feel at home. The Smart Pressure Sensor helps prevent you from brushing either too hard or too softly to better protect your gums. Gum Guard alerts you to time spent brushing with too much pressure. Replace your Oral-B iO toothbrush head every 3 months for the best results.
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Compare prices from 6 stores
eBay
Best Price
69%
$119.00
$379.00
eBay
Best Price
$119.00
$379.00
69%
Amazon AU
-
Amazon price hidden. Check the current price on Amazon.
Amazon AU
Amazon price hidden. Check the current price on Amazon.
-
BIG W
Popular
-
$379.00
BIG W
Popular
$379.00
-
Shaver Shop
Best Price
69%
$119.00
$379.00
Shaver Shop
Best Price$119.00
$379.00
69%
David Jones
64%
$135.00
$379.00
David Jones
$135.00
$379.00
64%
Myer
61%
$149.00
$379.00
Myer
$149.00
$379.00
61%
| Specification | Value |
|---|---|
| Product Type | Electric Toothbrush |
| Subtype | Electric toothbrush |
| Replaceable Head | Yes |
| Head Size | Significantly smaller than most sonic toothbrush heads, Marginally deeper (compared to familiar Oral-B brush heads) |
| Included Accessories | Travel Case |
| Supported Accessories | Replacement heads |
| Highlighted Features | Pressure sensor |
| Mechanism Type | Oscillating |
| Age Group | Unisex Adults |
| Body Part Use | Teeth, Gums |
| Use Case | Daily cleaning |
| Target Users | Those with the most crowded of mouths (might find it a little more difficult to position the round brush head) |
| Specific Dental Concerns | Plaque removal, Whitening |
| Bristle Type | Micro-vibrating, Gentle micro-vibrations |
| Bristle Material | Nylon |
| Rechargeable Battery | Yes |
| Battery Life | Up to 20 days |
| Battery Type | Lithium-ion |
| Disposable | No |
| Water Resistance | IPX7 Waterproof |
| Power Source | Rechargeable Battery |
| Voltage | 220V |
| Grip | Doesn't feel slippery in hand (despite the lack of rubber grips) |
| Handle Material | Lack of gloss plastics |
| Head Shape | Round |
| Travel Features | Travel Case |
| Motor Speed | Motor slowing a bit once past 18 days (of battery life) |
| Motor Power Output | 2 W |
| Replacement Head Compatibility | Oral-B iO Replacement Brush Heads |
| Handle Size | Larger profile |
| Overall Dimensions | No information |
| App Connectivity | Yes |
| Bluetooth | Yes |
| Packaging Material | Unprinted box, Original packaging, Plastic bag |
4.5
4,025 reviews
Rating Breakdown
5
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4
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3
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2
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1
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Price Summary
Price Range
$119.00 - $379.00
Stores
6 stores
Maximum Savings
Up to 69% OFF
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