Playback time 15-20 hrs, Li-ion battery 3.7V/500mA, bluetooth name BT12, Packaging dimension 24*14*3.5cm, Interval between left and right horn 44cm, Diameter of the horn 4.1cm, Charging Voltage 5V, Color Black, bluetooth version 4.1+EDR, Transmission Range 20-30meters(depending on devices), Standby time ≤240hrs, Frequency 2.402GHz-2.480GHz, Distortion <1%, Transmission Distance of Microphone ≤1meter, Charging time ≤2hrs, Materials Plastic, USB cable length Approx 1m, Horn wire length 17cm. Get coupons, create price alert or check price history out! What is the best price?
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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($23.27): BGSCM11
paste coupon code in your cart and click Apply 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): BG2b291d, BGwhielabel, 13f142, BG10OFFAFF1, BANGGOODSD, BGMOTO478, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, Tabby20, 2203ActiesNL, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BGAUTO22, BGdcbfa8, BG8ReviTrage, Cuponation9, BGSCM75, BG9c587d
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for BT-12 Motorcycle Helmet Headset. The lowest price was: $17.99.
Price records source(s): 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)).