I got some eachine vr007 pro goggles. I opened them once and noticed that they have 2 places where you can solder coax cables and also an extra hole in the casing
FPV шлем Eachine VR007 Pro - апгрейт версии VR007 + сравнение моделей
Eachine VR-007 Pro VR007 5.8G 40CH FPV Goggles 4.3 Inch With 3.7V 1600mAh Battery for RC Drone ⋆ Planet FPV
New Product Eachine VR-007 & VR-007 Pro 5.8G 40CH HD FPV Goggles - Page 35 - RC Groups
New Product Eachine VR-007 Pro FPV Goggles Headset Lower Price and Better Performance--Free Test - Page 3 - RC Groups
AMAZING $45 FPV goggles. SO CHEAP! EACHINE VR-007 Pro review vr007 Pro - YouTube
Eachine VR-007 Pro 5.8G 40CH FPV Goggles - YouTube
Eachine VR007 Pro 3.7V 1600mAh LiPo Battery For FPV Goggles Headset Support USB Sale - Banggood USA-arrival notice
Hot New Eachine VR 007 Pro VR007 5.8G 40CH HD FPV Goggles Video Glasses 4.3 Inch With 7.4V 1600mAh Battery For FPV Multicopter|eachine vr-007|fpv goggles video glasseshd fpv - AliExpress
Review: Eachine VR-007 Pro FPV Goggles | RC Newb
Yüksek kaliteli Eachine VR 007 Pro VR007 5.8G 40CH HD FPV gözlük 4.3 inç Video kulaklık ile 3.7V 1600mAh pil FPV modeli|eachine vr-007|hd fpvfpv goggles - AliExpress
High Quality Eachine VR 007 Pro VR007 5.8G 40CH HD FPV Goggles 4.3 Inch Video Headset With 3.7V 1600mAh Battery For FPV Model|eachine vr-007|hd fpvfpv goggles - AliExpress