Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Operation distance: 20m, Talk time: 8 hours, Package Contents: 1x VNETPHONE V8 Intercom, 1x Headset, 1x Remote Controller, 1x USB Cable, 2x Standby Felted Adhesive Earphone Pad, 2x Screw, 1x Multilingual Operating Instruction
Aliexpress
There’re some similar (or not) items on Aliexpress
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.
Link: Banggood product page
1. ($137.29): BGAutos
2. ($138.86): BgAuMotor
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): TTxBG10, AM15prime, AMPrime01, Automo, Automo1
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for VNETPHONE V8 Intercom Headset is here.
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)).