Energy Products, Projects and Devices Design 37 Degrees Shared Wireless Charging Device by 37 Degree Smart Home Guangzhou 37 Degree Smart Home Ltd. 37 Degrees Shared is a wireless charging device designed for public places. Two wireless charging coils are embedded in the device, which provides a fast and safe wireless charging experience. No plug, cable or portable power bank is needed. A QR code on the charger is scanned to start a charging session. The charger suits restaurants, shopping malls, railway stations and airports. 37 Degrees Shared also supports a new business model, as venues can earn income from paid charging services and from advertising shown on the charger.