31000 times/min high frequency, 3 brushing modes, 2min auto-timer, Charging time: 3 – 4h, Usage time: 5 weeks, Battery: 400mAh Ni-Cd battery.
You can create price alert here, copy coupons and view price history. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($34.35): BG75597c
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): 502C6B, HHHHHOT, healthylifestyle, 89275e, ML15%Pro, vipupgrade8, 0e7f33, BGTMCB7, BGHB20, BGSD58965, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, BGHealth06, BGHealth10D, 2022ACTIESNL, BGHB218, 2203ActiesNL, tRaDetRaCKeR, BGHECARE1, BG4ee866, DealBGimpact, Cuponation9, 9OFFSUMMER
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – LANSUNG U1 Sonic Toothbrush Pink ($-3)
2. China – LANSUNG U1 Sonic Toothbrush Purple ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for LANSUNG U1 Sonic Toothbrush. The lowest price was: $7.99.
Price records source(s): Gearbest, Banggood
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)).