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.
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.
in 6 offers
The lowest price for Oral-B iO Series 4 Electric Toothbrush with App Connectivity, Black right now is $159.70 at eBay.com.au, compared across 4 retailers.
The all-time low was $66.10 on 27 Aug 2026 — today's price is 142% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 31 Oct 2026.
Oral-B iO Series 4 Electric Toothbrush with App Connectivity, Black
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.
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.
Last updated at 31/10/2026 08:55:37
Oral-b Io Series 4 Electric Toothbrush
Delivery $5.50
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Braun Oral-B iO Series 4 Electric Toothbrush
Free delivery
Oral-B iO4 Electric Toothbrush For Adults, 1 Toothbrush Head, 4 Modes With Teeth Whitening, UK 2 Pin Plug, Black
Delivery between 6–9 Nov $29
Oral-B iO Series 4 Electric Toothbrush (Black Onyx)
Delivery between 3–11 Nov $10
| Brand | Oral-B |
| Rechargeable | Yes |
| Colour | Lavender, Silver, White, Clear, Matte Black, Black Accessories |
Oral-b Io Series 4 Electric Toothbrush
Delivery $5.50
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Braun Oral-B iO Series 4 Electric Toothbrush
Free delivery
Oral-B iO4 Electric Toothbrush For Adults, 1 Toothbrush Head, 4 Modes With Teeth Whitening, UK 2 Pin Plug, Black
Delivery between 6–9 Nov $29
Oral-B iO Series 4 Electric Toothbrush (Black Onyx)
Delivery between 3–11 Nov $10
| Brand | Oral-B |
| Rechargeable | Yes |
| Colour | Lavender, Silver, White, Clear, Matte Black, Black Accessories |
