Did not know that HifiMan makes true wireless earphones. Saw this deal at Addicted to Audio. Online reviews are great. I think this price is great for the brand. As mentioned in online reviews these are more revealing. Not bassy.
Great Sounding Bluetooth Earphones with HiFiMAN Topology Diaphragm
The "Toplogy Diaphragm" refers to a diaphragm featuring a special Nano particle coating applied to its surface.
The result is a more natural and detailed sound than what is typically achieved in True Wireless Earphones
TWS Internal Structure
Hi-tech Magnet
Providing outstanding performance and sound quality.
Advanced Alloy Voice Coil
For unmatched clarity and full range sonics
Toplogy Diapgrahm
Detailed and natural high frequency reproduction
Bluetooth Version Bluetooth 5.0
Frequency Response 20Hz-20kHz
Weight of one earphone 5.9g
Play Time 5.5+33 Hours
Charging Time (Earphones) 1 Hour
Charging Time (Charging Case) 1.5 Hours
Standby Time 110 Hours
Transmission Distance Up to 150m, depending on enviroment
Thanks OP, got myself a pair as an early Christmas present