Three modes: clean white, Waterproof grade: IPX7, firm tooth, Frequency: 31800 times/min, Voltage: DC 3V, Power: 1W, soft, Working time: 90 days, Battery: 2x AA battery (not included).
Go down and check coupons out. Remember to check price history if it is available. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Sarmocare S100/X610/X700/M200/M500 Toothbrushes Head Ultrasonic Sonic Electric Toothbrush Replacement Toothbrush Heads | $1.23 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Price history and price alert
Price history (for all/most countries) for Ultrasonic Toothbrush with 2 Replacement Brush heads is here. The lowest price was: $4.99.
Price records source(s): Gearbest
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).