Wholesale Pack Configuration This listing is supplied as wholesale packs. The displayed price applies to one complete pack, not to an individual unit. Select the Shopify option that matches the pack configuration you need. Current Shopify option Wholesale specification Pack quantity Default Version Default Version / 25 pcs/Pack 25 units High-Temperature Version High-Temperature Version / 25 pcs/Pack 25 units Each pack uses the 10% bulk discount from the aggregated individual-unit price. The compare-at price represents the total of the original individual-unit prices; the sale price represents one complete pack. Product specifications elsewhere on this page describe the individual item unless a section says otherwise. The ESP32-SOLO-1 is a general-purpose Wi-Fi+BT+BLE MCU module with powerful functionality and versatility. It can be used in low-power sensor networks and demanding tasks such as voice encoding, audio streaming, and MP3 decoding. Product Parameters Integrated Chip Size (mm) Pins Flash (MB) PSRAM (MB) Antenna Development Board ESP32-S0WD 18x25.5x3.1 38 4 N/A PCB Onboard Antenna ESP32-DevKitC The ESP32-SOLO-1 has two module versions with different operating temperature ranges. The details are shown in the table below: Module Embedded Chip Operating Temperature Range Flash Module Size (mm) ESP32-SOLO-1 (Default Version) ESP32-S0WD -40°C ~ +85°C 4 MB (18.00±0.10) × (25.50±0.10) × (3.10±0.10) ESP32-SOLO-1 (High-Temperature Version) ESP32-S0WD -40°C ~ +105°C 4 MB (18.00±0.10) × (25.50±0.10) × (3.10±0.10)