Cubot KingKong MINI 3, 4.5" Mini Smartphone, Helio G85 Octa-Core, 6GB+128GB, Dual SIM,NFC, Waterproof Rugged Phone, 4G Celulares - AliExpress
Amazon.com: CUBOT Kingkong 9 Outdoor Rugged Phone Unlocked - 24GB RAM+256GB ROM Smartphone,100MP+32MP+24MP Night Vision Camera,10600mAh Large Battery, 6.58 Inch FHD+ Display, IP68 Waterproof Mobile Phones Black : Cell Phones & Accessories
Amazon.com: Samsung Galaxy S9+ Dual SIM Smartphone - Midnight Black - GSM Only - International Version : Everything Else
Amazon.com: Nokia 2660 Flip Dual-SIM 128MB ROM + 48MB RAM (GSM Only | No CDMA) Factory Unlocked Android 4G/LTE Smartphone (Red) - International Version : Cell Phones & Accessories
Essential Phone PH-1 Review: Competent is not enough - CNET
Amazon.com: Dual SIM Phones
Amazon.com: CUBOT Kingkong 9 Outdoor Rugged Phone Unlocked - 24GB RAM+256GB ROM Smartphone,100MP+32MP+24MP Night Vision Camera,10600mAh Large Battery, 6.58 Inch FHD+ Display, IP68 Waterproof Mobile Phones Black : Cell Phones & Accessories
Amazon.com: OnePlus Open, 16GB RAM+512GB, Dual-SIM, Emerald Dusk, US Factory Unlocked Android Smartphone, 4805 mAh Battery, 67W Fast Charging, Hasselblad Camera, 120Hz Fluid Display : Everything Else
Sonos Roam Smart Portable Wi-Fi and Bluetooth Speaker with Amazon Alexa and Google Assistant Black ROAM1US1BLK - Best Buy
Amazon.com: Dual SIM Phones
Amazon.com: Nokia 2660 Flip Dual-SIM 128MB ROM + 48MB RAM (GSM Only | No CDMA) Factory Unlocked Android 4G/LTE Smartphone (Red) - International Version : Cell Phones & Accessories
Amazon.com: Nokia 800 Tough Dual SIM 4GB ROM + 512MB RAM (No CDMA | GSM Only) Factory Unlocked 4G/LTE Smartphone (Desert Sand) - International Version : Cell Phones & Accessories
Amazon.com: Poco X3 Pro | 128GB 6GB RAM | Factory Unlocked (GSM ONLY | Not Compatible with Verizon/Sprint/Boost) | International Version (Phantom Black) : Cell Phones & Accessories
Recently bought a Lucky Mobile Multi SIM off their official website for $5.60 (free shipping) and received it (haven't opened it yet). After browsing a bit, I also found it notably cheaper
Maxcom - Comfort MM28D HS (Headset socket) - Telephone fixe avec carte SIM : Amazon.fr: High-Tech